Premium Quality Gears – COMP Cams Hi-Tech Roller Race Timing Sets are built using high end materials. The camshaft gear is constructed from cast iron, while the crankshaft sprocket is built from induction hardened billet steel.
Adjustable – Designed to help ensure the best performance, Hi-Tech Roller Race Timing Sets feature three keyways on the crankshaft sprocket. The middle keyway installs the camshaft with zero degrees of advance, while the other two allow for 4 degrees advance or retard. This adjustability is a must for anyone who degrees in their camshafts.
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 – Hi-Tech Roller Race 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 – Hi-Tech Roller Race 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 Hi-Tech series timing sets are among the best available.
Fits OE Roller Camshaft Chevrolet 305-350 Small Block and 4.3L V6
See 3030 for replacement chain
Made in USA
4. COMP Cams K12-600-4 Thumpr 227/241 Hydraulic Flat Cam K-Kit for Chevrolet Small Block
K Kits vary in their contents, but generally contain a camshaft, a set of lifters, valve springs, retainers, locks, valve seals, timing set, assembly lubricant, decals and instructions. Check description for more accurate listing of kit contents.
Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
Perfect choice for muscle cars and street rods – Three unique cam designs: Thumpr, Mutha’ Thumpr and Big Mutha’ Thumpr deliver excellent horsepower gains and broad torque curve.
Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer.