Converter Installation. Typical working pressure on most drag racing applications is between 60-120psi. 1. Shop Now at the Guaranteed Lowest Price! Free Shipping over $199* 2 days ago · Find Hughes Performance Pro Series 2 Stage Torque Converter Dump Valve Kits and get Free Shipping on Orders Over $109 at Summit Racing! Hughes Performance Pro Series Two Stage torque converter dump valve kits are two-stage complete kits for adding a dump valve to your Powerglide transmission. SKU: F2585 Category: Transmission and Drivetrain Components. com or give us a call at 386-736-5816. Like. Before I tore it apart, I checked converter charge pressure and line What is an Air Suspension Dump Valve? An air suspension dump valve is a crucial part of a truck or trailer's air suspension system. Each component plays a critical role in the shift pattern and ensures smooth and accurate gear changes. Converter Dump Valve Kit - Pro-Series 1 - Single Stage - TH375 / TH400 Transmissions - Kit. BTE’s aluminum direct drum, Vasco input shaft, and valve bodies have been used by transmission builders around the world to improve the strength of their turbo 400 transmissions. May 21, 2019 · Does anybody make or offer an internal converter dump valve for a TH400 that a user can install? I have an external dump valve that dumps the cooler line back to the pan but it doesn't have all that big of an effect on the converter. Dump valve : fonctionnement, entretien et prix. They offer increased stall speed while staging against the transbrake, faster engine/converter the integral dump valve) are the suspension ports. The key to this transmission's and durability is a built Pro Mod Sprag assembly. I installed a tci manual valve body in a th400 iaw the instructions, new reman pump, teflon sealings rings, 4l80e high energy fictions heat treated steels. 0625-inch) drill bit, drill a hole from inside to outside under the apply piston. $635. ! CAUTION: We recommend that you secure the services of an experienced transmission builder in order to achieve proper installation of this product. First, a little history When I updated my TH400 back in 2015, I installed an ATI intermediate clutch pack snap ring retainer and a set of 4 intermediate clutches, added a 6th plate to the directs as well as a full freshen up. 00-Select options; M&M TH400 Dump Valve Kit Dual Stage $ 1,049. Using a 1/16-inch (. Elle permet à votre turbo de ne pas s'user trop vite en régulant la pression d'air. Step 7: Disconnect the nozzle, replace the cap and return the Sani-Con Turbo 400 / Th400 Spare Parts to suit street to race from Input shafts, Alloy Pro mod drums to the Smallest replacement parts that you could desire. COM TO CHECK AVAILABILITY. Our new and improved TH400 Converter Dump with built in Regulator Valve. Rpm less than 4800rpm. COA-22020 - TRANS BRAKE KIT (REVERSED PATTERN) PRN123. Add to Cart. Internal dumps do require a decent amount of modifications but usually come in the form of the manufacturer CAUTION: Installation of this valve body kit into your transmission will increase operating line pressure into the range of 200 – 230 PSI in most applications. Compare. May 10, 2023 · The dump valve has two wires, a red and a black. The valve is typically controlled from the cab of the truck, allowing the driver to adjust the height of the vehicle on the fly. 407056 / 407058 Aluminum Drum & Center Support. Hughes Performance 2 Stage PowerGlide Dump Valve. May 30, 2017 · M&MTransmission. This will ensure that the dump valve is properly connected and ready for use. The kit includes a billet aluminum governor cover, 12" premade hose, misc fittings and regulator valve. For those racers who want a three spreed rated to 1500HP. We also rely exclusively on Fragola Performance Systems hose and fittings to Dec 10, 2020 · If you're doing a dump valve with the correct internal mods, the converter charge circuit is no longer the lube circuit. M&M TH400 Dump Valve Kit Dual Stage $ 1,049. 00. This controller will allow progressive control of our dump valves, and offers Get the Best Performance with Hughes Performance Pro-Series 1-Stage Torque Converter Dump Valve Kit - Powerglide Transmission HP6217 parts at JEGS. Remove the stock valve body, separator plate and gaskets. 48-1. Some drums have a check ball located in the drum, but the bleed-off hole is still required. The valve body may spring down slightly. 99. Step 4: When the black water tank is empty the pump will start sounding different. After the install, we race Big End Banger in Muncie, IN. On a Th400 line pressure goes through the roof with the modulator blocked. Build your own "Grudge Winner" 2 or 3 speed TH400 transmission with this kit. This is the new design valve with three pressure Powerglide Converter Charge Pressure Dump Valve Kit - External. Sep 15, 2021 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright INSTRUCTIONS FOR INSTALLATION OF PART# F4065 CONVERTER CHARGE PRESSURE DUMP VALVE. JW Performance. COA-22020-AL - BILLET ALUMINUM BRAKE KIT, REVERSED PATTERN (PRN123) BRAKE IN 1st. Thanks Chuck. • Typical pressures for drag racing are 65-125 psi. These components include the shift lever, shift rod, detent switch, throttle valve cable, and kickdown linkage. These dump valves can also help with converter response times and aid against wear on the engine's thrust bearing. This valve will regulate the torque converter pressure down to and adjustable pressure. Replace pan on transmission. PATTERN VALVE BODY F4008 . #1 · Apr 17, 2011. 1002 - GM TH400 Full-Manual Trans-brake Valve Body. Converter Sep 30, 2021 · Internal powerglide dump valve setup. 00-Add to cart; M&M Universal TH400/Glide Dump Valve Kit $ 649. 26-1 and. * This is a universal item without fitment details. · April 8, 2019 ·. This Turbo 400 Category has all parts (excluding Turbo 400 Transmissions) to make browsing for your Th400 spare part easier. You're feeding the lube circuit meter'd line pressure and the converter charge circuit goes out to the cooler and returns either to the pan or governor cover. I only used it a couple of times. Please note mat take 5-7 days to ship DEPENDING ON CORE AVAILABILITY. cartruck Discussion starter. Add On TH400 SFI Case & Tail (+$2160) Add Dump Valve: (*) Do not add Dump Valve Dump Valve (+$799) Shipping: $250. To remove the valve body, pull down on the valve body and governor tubes at the same time. 705310 Vasco Input Shaft. The kit includes the regulating valve only. 2-Speed Max Duty Outlaw T400 Transmission. Typically they involve a lot of guess work, a bunch of miss ordered parts and a ton of fab time. 2. From our custom TH400 transmissions to our lightweight, high-precision shifters and the torque converters in between, we have one goal… helping you 4l80e trans brake. Now, you can save time and money by replacing the Sep 22, 2018 · 315 posts · Joined 2016. Manufacturer Part Number: hp2217. Wash the valve with clean solvent and blow it dry with compressed air. 99 Jan 29, 2022 · Ran into something on the run stand last night that has me tripped up. 104 posts · Joined 2009. My car spools in like 7 seconds with dump valve and no nitrous. Select options. They offer increased stall speed while staging against the transbrake, faster engine/converter response, and reduced loading against the engine thrust bearing. 4. By wiring the valve to the transbrake wire, the unit activates via a switch, timer, or digital controller (sold separately). Warranty: 12-Month Limited Worldwide Warranty. 7-7-5 Clutch setup. This valve will regulate the torque converter pressure. A friend of mine has a th400 with trans brake,, manual valve body,, has not been driven for about a year,, when he drove it at weekend it had no third gear,, it went into third fine but it is still in second gear,, cable position is perfect and so is the fluid level,, very good in first and second The TH400 shift linkage diagram illustrates the various components involved in the transmission’s shifting mechanism. Les dump valve Forge Motorsport : http Jun 15, 2010 · This is how i set up all our cars, using an aux from the ecu to trigger both the internal and external dump. SKU: F4065. We’ll mention any differences. External dumps don't require any modifications (for the exception of manufacturers that do some weird stuff with the converter feed circuit in general which is not where you want to be). + -. SKU: F2585. Brandon installs a dump valve and forward clutch hub on his home brew Turbo 400. Dec 23, 2019 · GM 4L80-E, 4L85-E, TH400 Valve Body Layout. Heavy duty intermediate pressure plate snap ring. Hughes Dump Valve Kits. (Photo B) Make sure to use Teflon rings. Billet aluminum safety reverse transbrake valve body (band apply option available) In this episode, we take a closer look at our all new Pro Series Powerglide Two-Stage Torque Converter Dump Valve System!! Please be sure to subscribe to ou Add to Cart. Slowly lower the booster sleeve assembly. The PCE quick spool system is a pressure relief system for the Turbo 400. #1 · May 7, 2013. GEAR ONLY. That's why it's not a good idea to run a trans with no/low pressure to modulator. Product Description. Step 3: Turn on the macerating pump. At the time of its initial design our mission was to eliminate the complaints found with other designs. 624” + or . Hughes Performance hp2217 - HUGHES PERFORMANCE Pro Series 1 Stage TH400 Converter Dump Valve Kit. FTI Performance TH400 Factory Speedo Reluctor Wheel. We lost a close one Billet external dump valve. Be the first to review this product. Nov 3, 2014 · in this video we install a new dump valve on sunshine. Aug 14, 2023 · single stage th400 dump valve gm th400 performance transmission transmission performance and durability web how to assemble install the th400 smart tech drum TH400 Converter Charge Pressure Dump Valve Kit - External. $650. This is the seal that is in the drum. *FREE SHIPPING! This kit is used to control converter charge and exhaust pressure in order to loosen the converter when needed. Pro-Mod. $5,995. The ATF Speed built in TH400 Regulator Valve in the Converter Dump assembly is preset to 90-100psi on our in-house hydraulic solenoid dyno. Add to cart. FTI Performance. When using only one suspension port, plug the unused port with the 1/ 4-inch NPT pipe plug provided in the height control valve kit. Transbrake button must be pressed. COA-22015-AL - BILLET ALUMINUM MANUAL VALVE BODY KIT W/CLEAN NEUTRAL (REVERSED PATTERN) PRN123N. FTI Powerglide Dump Valve Kit. $876. HP6217-2. with incorrect shipping rates will receive a call Welcome to FTI Performance's instructions Page, all available technical instruction sheets are listed below for download, if you can not find your products instruction sheet, or you require additional assistance, please contact us directly at info@ftiperformance. $399. Transmission Installation. $ 649. Buy in monthly payments with Affirm on orders over $50. $3328. $ 1,297. #3. [1] May 7, 2013 · 326 posts · Joined 2008. Discard the inner direct drum lip seal. 705497 Lokar Direct Mount Dipstick. Additional information. In house convertors lock up & non lock up. Increased clutch capacity in all positions - up to 9 forward, 8 direct and 6 intermediates. Add To Cart. Speedmaster PCE634. Availability: 1 in stock. Converter Dump Valve Kit, Pro-Series 1, Single Stage, TH375 / TH400 Hughes Performance. If that doesn't do it for you put a 50 shot of nitrous on it. May 11, 2017 · This is how i set up all our cars, using an aux from the ecu to trigger both the internal and external dump. Aluminum Forward Drum. #20 · Nov 26, 2018. We pride ourselves on reliability and performance. Typically they involve a lot of guess work, a bunch of miss ordered parts and a ton of The best solenoid in the business just got better: Hughes Performance’s heavy-duty Powerglide solenoid is now rebuildable. Blueprinted high-flow front pump with heat-treated tube or ATI Super Pump. Turbo Action 24941 - Application: 65-87 TH400 (Non Lock-Up) Shift Pattern: PRN123 Comments: No Engine Braking in First or Second Gear, with Transbr. **Shipping rates are for within the Continental U. M&M Universal TH400/Glide Dump Valve Kit. The built in regulator prevents torque converter charge pressure from going too high which reduces the chance of having thrust main bearing failures in the engine. Pro-Mod Max. 1007 UPC: 840136566014 Extended Warranty Eligible. Race Clutches and Steels. Direct clutch high rate return springs. 2 stage dump, both solenoids close when power is applied. The spool valve is useful as a tuning tool to help you get through poor track conditions by loosening the converter and allowing a controlled slip. $39. FREE SHIPPING! "This controller is fully compatible with both our single stage and two stage systems. No Reviews yet. Includes dump valve and all installation hardware. Push up on the booster sleeve and remove the snap ring. Our Sonnax-equipped, in-house built TH400 survived hot lapping 3 - 4 passes every day for 5 days and survived on the 1,200-mile drive flawlessly. Step 5: Turn off the pump and close the black water tank valve. Customer Reviews. Once this is completed, you can move onto connecting the cable. Reid Bell. Brand New GM Pump cover. Nov 15, 2022 · 824 posts · Joined 2015. STEP 2. does anybody make or offer an internal converter dump valve for a th400 that a user can install i have an external dump valve that dumps the cooler line back to the Find Hughes Performance Pro Series 1 Stage Torque Converter Dump Valve Kits and get Free Shipping on Orders Over $109 at Summit Racing! Hughes Performance Pro Series Single Stage torque converter dump valve kits are single-stage complete kits for adding a dump valve to your Powerglide transmission. Push on valve while it is in the case to make sure that there is no drag and that valve moves freely. Lubricate the valve with penetrating oil, and polish the valve lands for 5 to 10 seconds with a fine scotch pad. Quantity. 00-Select options TH400 2-Speed Transbrake Valve Body Kit: Download. Went through the whole transmission, with the result of low line pressure 80-90 psi at 2000 rpm, 20-30 psi at With years of install experience in our in house facility we've been able to develop quick and easy transmission swap packages to take out the guess work. Then install a straight -6 to cooler pipe fitting. New Coan Billet Aluminum Protree Transbrake VB 1st or 2nd leave. May 28, 2001 · Member. 11. I was very happy with the h Hughes Powerglide Internal Dump Valve Kit. Lower converter pressure reduces the chance of having thrust main bearing issues in the engine. 95. Oct 21, 2016 · These modifications are virtually identical in the 400 and the 4L80E, so we’re going to stick with the diagrams for the 400. Overview. HP2217-DVC. HD. GM TH400 Transmission Billet Aluminum Ext TransBrake Full Manual Valve Body. Bolts Directly to a the TH400 servo cover. Learn more. MPN: PCE634. * Any orders placed and paid for online via Paypal from outside the Continental U. The single internal dump valve will typically raise stall speed by 400-800 RPM, the second stage external dump typically Th400 Case: Optional. $525. We assume your 2-step is set at 5000rpm, then following conditions must be met for the dump valve trigger signal to activate: Tps more than 90%. Fluids. Jun 30, 2011. Remove transmission pan and drill hole and tap 1⁄4” pipe in position as shown. Portable Trans Cooler. Sep 15, 2019 · TH400 Converter Dump Valve Question/Help. The Governor Mount for Stock or Reid case TH400 and the Pan Mount for ATI Case 400 or PG or universal application. Sommaire : The TH400 has recently become one of the best selling transmissions for high horsepower racing setups thanks to many new product designs. Remove vacuum modulator, modulator valve, and discard both items. Step 6: Empty the gray tank to rinse the system. Speedmaster®. The solenoid can now be pulse width modulated for more precise tuning and accuracy. Nov 16, 2018 · This kit includes a host of upgraded components to improve transmission performance and durability. Feb 2, 2020 · Another successful HP2217 TH400 dump valve installation into Gmcsnowflake thanks to Botello Performance and J&S Transmissions And Performance!! These guys are keeping it in the DFW area!! Th400 Case: Optional. Out of Stock. Features: Automatic shift Street or full-race Holds 1st and 2nd to any RPM Back-shifts to 2nd Step 2: Open the black water valve. A 30 shot of nitrous activated between 2500 and 4500 rpms spools it to 20 lbs in 2. 6L80E, 6L90E, 8L45E, 8L90E, 10L80E, 10L90E. 60. The four lands on the pressure regulator valve should measure in @ . Keep your eyes peeled for a new video on these coming out soon! F4008 TH400 FULL MANUAL REVERSE . GM TH400. XHD. High flow converter dump valve for TH400. Install brake valve and spring assembly into modulator valve bore. 3rd clutch dual feed separator plate. C. Disassemble transmission and reassemble components as stated below with the exception of: 2. If you had a stock type valve body with a Bonjour à tous, aujourd'hui Fabrice va vous expliquer ce qu'est une Dump Valve et comment l'installer sur son véhicule. $492. Additional line pressure over and above OEM TH400 line pressure specifications will result in additional forward thrust force being generated by the torque converter. Home. Add 3 gallons (+$149. 56 USD. HD Straight Cut Gears New ATI TH400 SuperCase and ATI Chevy Bellhousing. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. This kit contains the essential components needed to upgrade your TH400 to our "Grudge Winner" spec two or three speed transmission. See Figure 10A- -15. This system dumps the converter outlet pressure, loosening the converter and Specs. 2 Knob Adjustable Dump Instructions. Jun 5, 2023 · 2000+ HP Capable Rollerized ATI Turbo 400 SuperCase and Bellhousing. In most cases, the electrical winding is the only part in a solenoid that wears down or goes bad — but, until now, the only choice has been to buy a whole new solenoid. 00 /Each. BTE™ 401100 Kit Contains: One (1) Turbo 400 Full Manual Valve Body One (1) Separator Plate and Gaskets One (1) Pressure Regulator Spring One (1) 2nd Gear Release Spring One (1) Vacuum Modulator Plug and O-Ring Two (2) 1/4" Check Balls STEP 1: Drain oil and remove transmission from vehicle. or later model Turbo 400 transmission you will need to disconnect the white smog switch wire from the valve body. If you have governor supply tubes, remove and discard them. Connect the black wire to one of the flanges, and then connect the red wire to the other flange. Let’s start with examining the rearward thrust (figure 1). Hughes Performance Dump Valve Controller. Showing 1–40 of 61 results. 707611 Integral Overflow Tank. 4L80E & 4L85E Transmission Instructions. Rated to 1200+ HP Transbrake valve body direct drum modified for instant transbrake release clutch packs WARNING: This valve body is intended for use in a competition application only never to be used on public streets or highways. 47-1. 2-3 aluminum accumulator piston. M&M Transmission prides themselves on building the absolute best Turbo 400’s for the racing community. Turbo 400. c65shoebox Discussion starter. Roller Tail. Grudge Valve Body. Rearward thrust begins in the torque converter, where converter charge pressure acts on the front of the input shaft. This valve body is not intended for use in a street-driven application. 00-Add to cart; M&M Glide Dump Valve Kit Dual Stage $ 1,049. Your Price: $651. #10 · Nov 17, 2022. Each layout: With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for Apr 17, 2011 · C. S. HP2515D3 / HP2515D3A: 4L80E 3rd Gear “D3” Transbrake: TORQUE CONVERTER INSTALLATION INSTRUCTIONS: Download. Turbo 400 All Terminator level Transmissions have a $300 Core Charge. • Lower converter pressure reduces the chance of having thrust main bearing issues in the engine. Our Single Stage Converter Dump Valves are $599 and come in 2 different styles. 12 volt operation ; Twin valves for total adjustable; both valves are able to be controlled with jets ; easy installation . La dump valve est une pièce mécanique de votre turbocompresseur. Here at Justin's Performance Center, we try to make transmissions swaps easy. While the Borg Warner 34 element sprag is rated to 850 HP, the Pro Mod Sprag is designed to withstand 2000HP. A bleed-off hole is required in the direct drum under the apply piston. TH400 "Grudge Winner" Kit. UPC: Availability: usually Ships in 24-48 Hours. attach the air supply line from the pressure protection valve to the supply port on the top of the height control valve (Figure 1 and Figure 2 on page 3). Call for price. 915137 Adapter Ring ATI SFI Bell to 4L80E / 85E. . (No reviews yet) Write a Review. May 23, 2024 · Conseils Auto. Our stage 2 TH400 package includes a TH400 built by Proformance Racing Transmissions. Note STEP 1. Combine these with other Sonnax TH400 upgrades for a top-notch rebuild. The built in regulator prevents torque converter charge pressure from going too high which reduces the chance of M&M Universal TH400/Glide Dump Valve Kit $ 649. 9/22 SFI dates. 00-Add to cart M&M Universal TH400/Glide Dump Valve Kit $ 649. Customers outside the Continental U. When you need to tow 7K lbs, for 1000 Miles, you need a giant trans cooler. Our new and improved Powerglide Converter Dump with built in Regulator Valve. Plumb this valve into the coolerline to help spool big turbos or control charge pressure. Includes: (1) Speedmaster High Heat/High flow Transmission Solenoid SHOP TH400 SHOP POWERGLIDE Race-Winning Reliability, Record-Setting Technology M&M Transmission’s customers set records and win races with the quickest and fastest doorslammers in the world. 00 (Fixed Shipping Cost) Product Description. Turbo Action. Ok will do. Hughes Performance Pro Series Single Stage torque converter dump valve kits are single-stage complete kits for adding a dump valve to your Powerglide transmission. This is Oct 26, 2019 · Trans Cooler Install, TH400, Tru-Cool - Max LPD47391. Prepping more of our HP2217 Pro Series TH400 torque converter dump valve kits for shipment! These kits are selling FAST!!! Each one of our torque converter dump valve kits features premium components manufactured in the USA. Please make sure this item is for your application. Also Includes: (2) different size 1-2 shift valves. 1005Part Type:Automatic Transmission Rebuild ComponentsTorque Converter Lock Up Kit Component Type Add On TH400 SFI Case & Tail (+$2160) Add Dump Valve: (*) Do not add Dump Valve Dump Valve (+$799) Shipping: $250. Jan 25, 2020. Typically they involve a lot of guess work, a bunch of miss ordered parts and a ton of STEP 1. Follow on Instagram. Speedmaster. 00-Select options; M&M Glide Dump Valve Kit Dual Stage $ 1,049. This is the most unique valve body of its kind. SKU: MMUNIVD Category: Transmission and Drivetrain Components. Locate the pressure regulator snap ring in the case near the selector lever linkage. Drill a 1/16 bleed hole in direct drum (FIGURE 1) Replace piston lip seals; Discard center seal in drum (FIGURE 1) Install piston into drum; Install 8 New Direct clutch return springs. Free shipping. GST. Let it hang free. May 30, 2017 ·. So the pressure pushes the convertor forward into the motor, causing thrust failure. $1,046. Description. Oct 7, 2022 · Dump Valve for a TH400 Description. This chart breaks down the five types of Sonnax TH400 transmission parts available at different performance levels. Application. Add on for a power glide standalone unit is +$100 TH400 Converter Regulator Valve Assembly. Step 1: Drill Bleed-Off Hole. 95) Which Factory Transmission Style: (*) Th400 Case: Optional. 72. Our stage 4 TH400 package includes a TH400 built by Proformance. Brand:PCEPart Number:PCE676. must call in to place order and pay by phone to include proper shipping rate. 00-Add to cart; FTI Powerglide Dump Valve Kit $ 569. 00-Add to cart; M&M Shifter Billet $ 925. All fittings, pre-made lines, solenoids, and jets are included for ease of installation. $569. • Comes preset at 100psi. I didn’t know this was a thing, am I missing something? The guy has the car at the chassis shop so he can’t verify wiring but it worked before it was pulled and everything as far as pressures is great, just have chucking it up in the drill. Disassemble and clean transmission (Discard governor and tubes) Disassemble direct drum. INSTRUCTIONS FOR INSTALLATION OF TH-400 TRANSBRAKE VALVEBODY. 00-Add to cart; M&M TH400 Dump Valve Kit $ 649. 00 inc. $ 569. Hold the valve body in place and remove the last bolt from the valve body. Chuck Leeper said: Ask Hughes if they put an orifice in the pump, before you spend $350. DROP SHIPPED ITEM, CONTACT ME AT SQUIRRELTUNED@GMAIL. 00-Add to cart Hughes Performance Torque Converter Dump Valve Kits allow for stall speed increases when working with a trans-brake. 9 seconds. May 25, 2006 · I’m thinking that the quickdrive and lenco drive are less sensitive to the external converter dump due to either the valve body or the passages that lead out of the case. 26-1 Ratios now Available. Qty: Product tags. TH400 Converter Charge Pressure Dump Valve Kit - External. 14. $5,295. ·. 4l80e trans brake. US $492. Add 3 gallons of Boost Guard High Performance Trans Fluid: Optional. 0005”. Power Glide. $. The lowest pressure this valve will regulate to is 50psi. 3. Cette pièce auto peut néanmoins tomber en panne et causer des baisses de performance de votre moteur. 4L80e. Anyways on the th400 I see a pressure drop almost immediately on the converter pressure feed. They offer increased stall speed while staging against the transbrake, faster engine/converter May 24, 2001 · Most manual valve bodies with a brake eliminate the modulator. Install brake valve spring onto brake valve. $625. Joined. Shift feel and calibration components. Discard the second ring from top of center support. 00-Add to cart; FTI TH400 Dump Valve Kit $ 569. Hughes HP2217 TH400 Converter Dump Valve Kit Pro Series 1 Stage. Has 9/22 SFI Hughes Pro Series dump valve system. This valve allows for the rapid dumping of air pressure from the air bags, enabling the suspension to lower quickly. Turbo 400 Dump Valve and pressure Regulator System. zl ps rl wc wq ch xt ja dl ap