DESIGNED TO CONTROL camshaft movement within the engine block as an excessive amount can cause damage to the engine and retard or advance ignition timing FOR 1987-2000 small block Chevy with OEM-style hydraulic roller camshaft ALSO FITS 1991-2000 big block Chevy 454/502 with OEM-style hydraulic roller camshaft SPECIFICATIONS: 3.294” bolt spacing INCLUDES plate and two mounting screws Camshaft Retaining & Thrust PlateOEM Style Plate w/ 2-Bolts3.294" Bolt Spacing
Fits:1987-00 Small Block Chevy w/OEM Style Hydraulic Roller Camshaft1991-00 Big Block Chevy 454/502 w/OEM Style Hydraulic Roller Camshaft OEM Style Plate with 2-Bolts3.294" Bolt Spacing
Fits:1987-00 Small Block Chevy with OEM Style Hydraulic Roller Camshaft (also fits ZZ3/ZZ4 Style Block & Cam)1991-00 Big Block Chevy 454/502 with OEM Style Hydraulic Roller Camshaft