Comp Cams 4100 Gear Drive Timing Set for Chevrolet Small Block Engines with Flat Tappet CamshaftsPrecision machined, heat treated billet steel gears for timing accuracy and durability Unique design eliminates timing movement throughout the rpm range Ready to install kit, including bolts and lock plate, ideal for street performance applications that desire a whining blower sound

010” to 0

Large increases above stock cam from off idle to the rev limiter

Cam Type: Hydraulic Roller

UPC:672036003852

Gasket Set                C350LM-24

They're calibrated to give you the performance that you need

flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved register

2-Bolt Main

it can also be used with OEM electronic 78/90mm or aftermarket 90/92mm throttle bodies (three-bolt electronic throttle bodies require an adapter)

FAST™ offers engine-specific wiring harnesses with clearly labeled connections

5:1 Compression • Very Rough Idle

LSR Cathedral Port 215/223 Hydraulic Roller Cam for GM LS GEN III/IV