2013 Chevrolet Corvette ZR1 Performance Parts

BTR has joined forces with CP-Carrillo and Total Seal to offer a new solution for Gen III Hemi and LS/LT engine builders looking for a tough boost-ready piston kit featuring high-quality American made components at a price that won't break the bank! All pistons...

BTR has joined forces with CP-Carrillo and Total Seal to offer a new solution for Gen III Hemi and LS/LT engine builders looking for a tough boost-ready piston kit featuring high-quality American made components at a price that won't break the bank! All pistons...

BTR 4 TO 6 BOLT HEAD CONVERSION FOR DART LS NEXT BLOCKS - BTR426D BTR's 4 to 6 bolt kit for Dart LS blocks is perfect for complimenting a 20-stud K003-H18H or K003-H17H head stud kit on your Dart LS Next aluminum or iron...

BTR LS9 PLATINUM PLUS .685" LIFT VALVE SPRING KIT - SK702/0560/LS9 When you decide to take a walk on the wild side and exceed the .660” limit of our popular Platinum Spring Kit, the next step is our .685” Spring Kit. A higher spring rate...

BTR .625" LIFT BEEHIVE VALVE SPRING KIT - FOR .520" VALVE GUIDES - BTR-SK018/2045 BTR is proud to introduce our new SK018 Beehive style valve spring kit. This is a great option for camshafts using less than .625" valve lift. This budget friendly valve...

BTR LS9 VALVE SPRING RETAINERS - SET OF 8 - SR006-8 BTR built its reputation on the back of valvetrain design and innovation. Our retainers are available in steel or titanium for numerous applications. Whether you’re doing a stock replacement job or looking to...

BTR 400+ LS MEDIUM TWIN TURBO CAMSHAFT 241/26X .619"/.619" 116 LSA INTAKE LOBE LIFT @ TDC: 0.06664 The new BTR MEDIUM Twin Turbo cam was designed for use with twin 76-80 mm setups or up to a single 102mm turbo in 388-427 cubic inch...

This VVT lockout kit allows you to use a VVT type Gen V camshaft with an LS2 (4 Pole 3 bolt) or LS3 (4 pole single bolt) cam gear and retain the factory Gen V VVT front cover. While this will sacrifice a small...

These ARP bellhousing bolt kits are designed to securely hold your transmission bellhousing in place on the engine block. They are manufactured from ARP's durable 8740 heat-treated alloy and have a protective black oxide finish. The bolt kits come in your choice of standard...

BTR STAGE 4 TWIN TURBO CAMSHAFT V2 230/25X .618"/.618" 116 LSA INTAKE LOBE LIFT @ TDC: 0.05553 The new BTR Twin Turbo Stage 4 V2 cam was designed for use in serious effort stock stroke applications.  Developed in house, we went back to the...