COMP Cams 3149KT Adjustable Double Roller Timing Set for 454-502 Big Block Chevrolet GEN VI

Featuring a pre-stretched, heat-treated, double roller chain, billet gears, an infinitely adjustable cam gear and 3 key crank gear, this adjustable timing set for Chevrolet 454-502 GEN VI Big Block is ideal for street and race applications.

• Premium Quality Gears - COMP Cams Adjustable Timing Sets are built using high end materials. Both the camshaft gear and crankshaft sprocket are built from induction hardened billet steel.
• Adjustable - Designed to help ensure the best performance, COMP Cams Adjustable Timing Sets feature three keyways on the crankshaft sprocket a. The middle keyway installs the camshaft with zero degrees of advance, while the other two allow for 4 degrees advance or retard. The camshaft gear is infinitely adjustable for a maximum advance/retard of 6 degrees.
• The Best Chain - Pre-stretched from the factory then heat-treated, this true double roller chain is designed to handle street and race applications without loosening up.With a heavy-duty large pin design, our chains ensure timing accuracy for the life of your engine. Plus, the chains are available separately!
• Tight Tolerances - COMP's Adjustable Timing Sets are all dynamically balanced before they get to our customers. We ensure that all sets are quality checked and held to the tightest tolerances in the industry for "run-out".
• Race Ready -Adjustable Timing Sets are ready to handle the high load race conditions. Thanks to their quality construction, adjustability, pre-stretched chain and tight quality control tolerances, the COMP Cams Adjustable series timing sets are among the best available.
• Fits Chevrolet 454-502 GEN VI Big Block w/ Factory Roller Camshaft
• See 3049 for replacement chain
• Made in USA