2003 Chevrolet Corvette Base Performance Parts

Crankshaft Pin Kit for Corvette LS1/2/3/6 Engines (not LS7). Designed for use with Innovators West dampers. Will not work with OEM or other aftermarket dampers.

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 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...

BTR STAGE 2 TWIN TURBO CAMSHAFT V2 222/24X .618"/.618" 113 LSA INTAKE LOBE LIFT @ TDC: 0.04699 The new BTR Twin Turbo STG 2 V2 is the one you want to go with when you have a 6.0 or a 6.2 with 58-65mm turbos....

BTR STAGE 1 TWIN TURBO CAMSHAFT V2 218/23X .618/.618 113 LSA INTAKE LOBE LIFT @ TDC: 0.04445 The new BTR Twin Turbo STG 1 V2  was developed for use in 5.3/Hi-ram/Twin turbo street and strip combinations, although it's a versatile camshaft that performs well...

BTR LS STAGE 4 TURBO CAMSHAFT V2 - BTR-TURBOSTG4 227/24X .618"/.618" 115 LSA INTAKE LOBE LIFT @ TDC: 0.04937 The new BTR Turbo Stage 4 V2 cam was designed for use in serious effort stock stroke applications spinning over 8000rpm with supporting valvetrain components....

BTR LS STAGE 3 TURBO CAMSHAFT V2 - BTR-TURBOSTG3 224/24X .618"/.618" 114 LSA INTAKE LOBE LIFT @ TDC: 0.04721   The new BTR Turbo Stage 3 V2 cam was designed to bridge the gap between  street and strip applications . The old Stage 3 had...

BTR LS STAGE 2 TURBO CAMSHAFT V2 - BTR-TURBOSTG2 220/23X .618"/.618" 113 LSA INTAKE LOBE LIFT @ TDC: 0.04422 The new BTR Turbo Stage 2 V2 cam was designed to be used in a wide variety of street and strip applications. The old Stage 2 had...