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American Performance Parts
Forged blocks, big displacement, built for the strip and the street.
Performance parts for American muscle cars and trucks: Corvette, Camaro, Mustang and Shelby GT500, Challenger, Charger and Durango, Cadillac CTS-V and Blackwing, Jeep Trackhawk, Ram TRX and more. We carry superchargers and turbo kits, fueling, headers and exhaust, suspension, brakes and wheels from Whipple, Kong Performance, Fore Innovations, American Racing Headers, CORSA, aFe and Mickey Thompson.
Every part is matched to the vehicles it fits. Pick your year, make and model above to see only what fits your build.
Find parts for your vehicle
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Vendor:Own a piece of racing history with the Katech Gen 6 Camaro Limited Edition Graphic Tee. This limited-edition release celebrates the intersection of elite engineering and track dominance, featuring the legendary Katech Camaro. Piloted by SCCA National Champion and multi-time OPTIMA Ultimate Street Car...Regular price $25.99Regular priceUnit price per
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Vendor:Katech Gen V Whipple 3.0L 120mm Throttle Body Adapter 120MM THROTTLE BODY CONVERSION · 6061-T6 BILLET ALUMINUM · APPLICATION-SPECIFIC DESIGN The Katech Gen V Whipple 3.0L 120mm Throttle Body Adapter is designed for GM Gen V LT1 and LT4 engine applications equipped with a...Regular price $82.99Regular priceUnit price per
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Vendor:Fits the C8 Corvette Coupe and Spider C8 Corvette Carbon Fiber B-Pillar Trim Cover - OEM Fitment This item is constructed as replacement part and is designed to install in the factory location with no need for modification All parts are produced using a...Regular price $908.95Regular priceUnit price per
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Vendor:Katech Gen V LT 427 Torquer Camshaft Performance Camshaft Engineering for Naturally Aspirated Gen V LT Builds, Including 427ci Engine Combinations. The Katech Gen V LT 427 Torquer Camshaft is designed for high-performance naturally aspirated Gen V LT engine combinations, including 427ci builds. Its...Regular price $499.99Regular priceUnit price per
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Vendor:Product details Manufacturer Weistec UPC 810089561596 Vehicle application year make model trim engine 2015 Mercedes-Benz SLS AMG Roadster (R197) NA 6.2L V8 (M159) 2014 Mercedes-Benz SLS AMG Roadster (R197) NA 6.2L V8 (M159) 2013 Mercedes-Benz SLS AMG Roadster (R197) NA 6.2L V8 (M159) 2012...Regular price $45.00Regular priceUnit price per
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Vendor:Katech Gen V LT1/LT4/LT5 1.600" Titanium Molybdenum Exhaust Replacement Valve LT1-Length Titanium Exhaust Valve for Compatible Gen V LT Valvetrain Packages. The Katech Gen V LT1/LT4/LT5 1.600" Titanium Molybdenum Exhaust Replacement Valve features titanium construction, Chrome Nitride coating, and molybdenum stem coating. Its LT1-length...Regular price $224.99Regular priceUnit price per
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Vendor:KATECH C6 LS3 525HP K-SPEC HEADS/CAM PACKAGE KATECH LS3 TORQUER CAMSHAFT 160 DEGREE THERMOSTAT GM LS3 HEAD GASKETS ARP HEAD BOLTS BTR .660" DUAL SPRING KIT KATECH CNC PORT CYLINDER HEAD RUNNERS GM LS7 LIFTER SET GM LIFTER TRAYS TREND 3/8-.080 PUSHRODS ARP CAM...Regular price $8,699.99Regular priceUnit price per
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Vendor:Product details Manufacturer Weistec UPC 810089561619 Vehicle application year make model trim engine 2015 Mercedes-Benz SLS AMG Roadster (R197) NA 6.2L V8 (M159) 2014 Mercedes-Benz SLS AMG Roadster (R197) NA 6.2L V8 (M159) 2013 Mercedes-Benz SLS AMG Roadster (R197) NA 6.2L V8 (M159) 2012...Regular price $174.99Regular priceUnit price per
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Vendor:Product details Manufacturer Weistec UPC 810089561602 Vehicle application year make model trim engine 2015 Mercedes-Benz SLS AMG Roadster (R197) NA 6.2L V8 (M159) 2014 Mercedes-Benz SLS AMG Roadster (R197) NA 6.2L V8 (M159) 2013 Mercedes-Benz SLS AMG Roadster (R197) NA 6.2L V8 (M159) 2012...Regular price $19.00Regular priceUnit price per
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Vendor:Katech Gen V LT Billet AFM & DI Delete Valley Cover Billet Aluminum Valley Cover for Gen V LT AFM & DI Delete Applications The Katech Gen V LT Billet AFM & DI Delete Valley Cover is designed for compatible GM Gen V V8...Regular price $314.99Regular priceUnit price per
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Vendor:This LT1 has been paired with our Big Valve LT Heads and is being sold as a long block. When paired with the proper throttle body and intake manifold it has the potential to make 670HP. PARTS LIST: LT1 DRY sump base engine -...Regular price $16,999.99Regular priceUnit price per
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Vendor:GM Genuine Parts LT1 & LT4 Exhaust Valve Sold Individually Valve Product Specifications Length 2.91 in Locks Included No Seat Angle 45 ° Classification OE Valve Head Diameter 0.86 in Material Steel Lock Groove Quantity 1 GM Part # 12678746 ACDelco Part # 12678746 WARNING:Regular price $33.99Regular priceUnit price per
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Vendor:Katech Gen 6 Camaro / CTS-V3 High-Performance Dual Fuel Pump Controller & Integration Harness Secondary Fuel Pump Control for Gen 6 Camaro and CTS-V3 Applications The Katech Gen 6 Camaro / CTS-V3 High-Performance Dual Fuel Pump Controller & Integration Harness provides secondary fuel pump...Regular price $682.99Regular priceUnit price per
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Vendor:GM LT4/LT5 Titanium Intake Valve Also works in LT1 heads with LT4 Valve Spring Kit Product Specifications Locks Included No Stem Diameter 0.314 in Seat Angle 45 ° Stem Diameter 7.966 mm Classification OE Length 5.18 in Valve Head Diameter 2.126 in Valve Head Diameter 54 mm Length 131.566 mm Valve...Regular price $123.99Regular priceUnit price per
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Vendor:Katech Gen V L87/LT2 CNC Ported Assembled Cylinder Heads 2022+ NEW GM CASTINGS · KATECH CNC PORTED · .660-INCH DUAL SPRINGS · 6.0MM INJECTOR FITMENT The Katech Gen V L87/LT2 CNC Ported Assembled Cylinder Heads provide a complete performance cylinder head package for compatible...Regular price $2,179.99Regular priceUnit price per
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Vendor:Katech Gen 6 Camaro / CTS-V3 High-Performance Low-Side Dual Fuel Pump Kit with Harness & Controller High-Output Low-Side Fuel Delivery with a Sealed Dual-Pump Module and Dedicated Secondary Pump Control The Katech Gen 6 Camaro / CTS-V3 High-Performance Low-Side Dual Fuel Pump Kit with...Regular price $2,249.99Regular priceUnit price per
