2003 Chevrolet Corvette Base Performance Parts

The Pushrod is one of the most important pieces of the valve train, but all too often it's taken for granted. pushrods not only have to be strong enough to not fail, bend or burn up at the ends, they must also match the...

Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams Steel Retainers are the perfect solution to this problem. COMP engineers used 3D CAD with FEA to design retainers with a modern and advanced contoured top...

Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams Steel Retainers are the perfect solution to this problem. COMP engineers used 3D CAD with FEA to design retainers with a modern and advanced contoured top...

With precision machined steel billet gears, our keyway timing set for Chevrolet 58x, 3-bolt, 4-pole LS3 is built with bullet-proof durability. Features 9 keyway crank sprocket for 2 degree adjustment increments and double roller chain.This Part Fits: Year Make Model Submodel 2006-2007 Cadillac CTS...

With precision machined steel billet gears, our keyway timing set for Chevrolet 1-bolt LS2 is built with bullet-proof durability. Features 9 keyway crank sprocket for 2 degree adjustment increments and double roller chain.This Part Fits: Year Make Model Submodel 2006-2007 Cadillac CTS V 1998-2002...

With precision machined steel billet gears, our keyway timing set for Chevrolet GEN III LS2 is built with bullet-proof durability. Features 9 keyway crank sprocket for 2 degree adjustment increments and double roller chain.This Part Fits: Year Make Model Submodel 2006-2007 Cadillac CTS V...

lock angle and 8mm valve stem size are perfect locks for GM Gen III/LS1/LS2/LS6 Applications.This Part Fits: Year Make Model Submodel 2004-2007 Cadillac CTS V 1998-2002 Chevrolet Camaro Z28 1998-2002 Chevrolet Camaro Z28 SS 2003 Chevrolet Corvette 50th Anniversary Edition 2003 Chevrolet Corvette 50th...

Machined Steel 7 Degree, 8mm, Single Groove Race Lock - SingleThis Part Fits: Year Make Model Submodel 2004-2007 Cadillac CTS V 1998-2002 Chevrolet Camaro Z28 1998-2002 Chevrolet Camaro Z28 SS 2003 Chevrolet Corvette 50th Anniversary Edition 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car...

Sportsman Stainless Exhaust Valve for GM LS w/ 1.570" Head, 5.450" LengthThis Part Fits: Year Make Model Submodel 2004-2005 Cadillac CTS V 1998-2002 Chevrolet Camaro Z28 1998-2002 Chevrolet Camaro Z28 SS 2003 Chevrolet Corvette 50th Anniversary Edition 2003 Chevrolet Corvette 50th Anniversary Edition Pace...

COMP Cams Sportsman Stainless Steel Valves are available in a variety of diameters and stem lengths for Street/Competition engines. Made from 21-4N forged high-strength Steel alloy with 50 HRc minimum hard tips (eliminates the need for a lash cap), these valves are state-of-the-art, delivering...

COMP Cams Sportsman Stainless Steel Valves are available in a variety of diameters and stem lengths for Street/Competition engines. Made from 21-4N forged high-strength Steel alloy with 50 HRc minimum hard tips (eliminates the need for a lash cap), these valves are state-of-the-art, delivering...

COMP Cams Sportsman Stainless Steel Valves are available in a variety of diameters and stem lengths for Street/Competition engines. Made from 21-4N forged high-strength Steel alloy with 50 HRc minimum hard tips (eliminates the need for a lash cap), these valves are state-of-the-art, delivering...

COMP Cams Sportsman Stainless Steel Valves are available in a variety of diameters and stem lengths for Street/Competition engines. Made from 21-4N forged high-strength Steel alloy with 50 HRc minimum hard tips (eliminates the need for a lash cap), these valves are state-of-the-art, delivering...

COMP Cams Sportsman Stainless Steel Valves are available in a variety of diameters and stem lengths for Street/Competition engines. Made from 21-4N forged high-strength Steel alloy with 50 HRc minimum hard tips (eliminates the need for a lash cap), these valves are state-of-the-art, delivering...

COMP Cams offers two types of kits to replace stock valve train components for more useable horsepower and a higher rpm operating range. The first is our RPM kit, which includes Pushrods, valve springs and retainers. The second RPM plus kit has the same...