![Supertech 7mm stem Dual Valve Spring Kit | Multiple Audi / Volkswagen Fitments (SPRK-V2091-4-7)](http://www.maperformance.com/cdn/shop/products/supertech-sup-sprk-v2091-4-7-29748423491654.jpg?v=1667850343&width=480)
![Supertech Titanium Retainer for Beehive Spring SPR-Hm1007BE / 6.5mm Stem / 6 Degree | Multiple Fitments (RET-M65-TBE)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-m65-tbe-29335421648966.jpg?v=1655340875&width=480)
![Supertech Nissan 350Z Titanium Retainer for SPR-TS1015 | Multiple Nissan Fitments (RET-TS5.5/T6)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-ts5-5-t6-29335420698694.jpg?v=1655340712&width=480)
![Supertech Titanium Retainer w/Under Bucket Shim Recess | 1988-1993 Toyota Celica / 1991-1995 Toyota MR2 (RET-TS60/MA2R)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-ts60-ma2r-29335420567622.jpg?v=1655340701&width=480)
![Supertech Titanium Retainer for SPR-TS1015 | 2008-2015 Mitsubishi Lancer Evolution X (RET-TS5.5/T1EX)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-ts5-5-t1ex-29335420207174.jpg?v=1655340696&width=480)
![Supertech Titanium Retainer for 7mm Valve Stem Single Groove | Multiple Audi / Volkswagen (RET-027)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-027-29335420174406.jpg?v=1655340694&width=480)
![Supertech Titanium Retainer for use w/OEM S-Ring Or SPR-MC56BE | Multiple Saturn Fitments (RET-MC50/T1)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-mc50-t1-29335422828614.jpg?v=1655341071&width=480)
![Supertech Titanium Retainer for SPR-H1000 / 6mm Valve Stems | 1997-2014 Nissan Patrol (RET-H60/T1)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-h60-t1-29335420108870.jpg?v=1655340531&width=480)
![Supertech Titanium Retainer for SPR-H1000 Series 7mm Valve Stems | Multiple Fitments (RET-H70/T1)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-h70-t1-29335422599238.jpg?v=1655341062&width=480)
![Supertech Titanium Retainer for TS1015 Outer / Inner SPR-TS/IN2 | Multiple Lexus / Toyota Fitments (RET-TS60/T1-2)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-ts60-t1-2-29335419748422.jpg?v=1655340522&width=480)
![Supertech Titanium Retainer for Spring SPR-M1007S / TS1015 / 6mm Stem | Multiple Fitments (RET-M60/T1)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-m60-t1-29335419387974.jpg?v=1655340513&width=480)
![Supertech Titanium Retainer for SPR-TS1015-1012 | 2009-2016 Nissan GT-R (RET-TS5.5/T9)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-ts5-5-t9-29335421943878.jpg?v=1655340876&width=480)
![Supertech Chrome Moly Steel Retainer for 7mm Valves Stem Triple Groove | Multiple Audi / Volkswagen Fitments (RET-021-STEEL)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-021-steel-29335418929222.jpg?v=1655340342&width=480)
![Supertech Titanium Retainer for SPR-2521/2 / 6.0mm Valve Stems | 2001-2006 BMW M3 (RET-BM2521/T1)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-bm2521-t1-29335418863686.jpg?v=1655340339&width=480)
![Supertech Titanium Retainer for Exhaust Spring SPR-H1002D | Multiple Audi Fitments (RET-AU5VE/T4)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-au5ve-t4-29335418601542.jpg?v=1655340336&width=480)
![Supertech Steel Retainer for Y Series Spring SPR-1002S | Multiple Honda Fitments (RET-H1002/ST)](http://www.maperformance.com/cdn/shop/products/supertech-sup-ret-h1002-st-29335418536006.jpg?v=1655340333&width=480)
Supertech
Supertech parts are truly the best on the market, made from high-quality stainless steel for maximum strength and durability. Supertech’s engineers have top-notch technical expertise who design performance valves, pistons, and valvetrain components for the automotive and racing industry.
For the best selection of Aftermarket Supertech Parts like high performance engine valves, Supertech heating parts, and automotive engine valves, there's no better place to buy than at MAPerformance. We carry the highest-quality selection of racing valves on the internet. Shop from the best aftermarket wide range of quality control instrumentation, cooling system cleaner, and flush coolant products at the lowest price on the web, guaranteed thanks to the MAPerformance Price Match Guarantee.
When it comes to aftermarket auto parts, quality matters. That's why we sell Supertech performance parts that enhance both cosmetic and performance aspects of your car.
Buying custom valves and inventory like Supertech K Series products from MAPerformance, you'll get great perks like fast, free shipping on orders over $199, and a hassle-free 90-day return policy. We care about your ongoing projects part-buying experience as much as you care about your ride.