Comp Cams Mutha Thumpr Camshaft & Lifter Kit Chevy 8cyl '55-'98

This kit is high performance street/strip, needs 9:1 CR, 2500+ stall, intake, gears and headers. It has a rough idle.

Advertised Duration	287 int./305 exh.
Advertised Exhaust Duration	305
Advertised Intake Duration	287
Assembly Lubricant Included	Yes
Basic Operating RPM Range	2,200-6,100
Brand	COMP Cams
Cam Style	Hydraulic flat tappet
Camshaft Gear Attachment	3-bolt
Computer-Controlled Compatible	No
Duration at 050 inch Lift	235 int./249 exh.
Exhaust Duration at 050 inch Lift	249
Exhaust Valve Lash	0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio	0.476 in.
Gaskets Included	No
Grind Number	287TH7
Intake Duration at 050 inch Lift	235
Intake Valve Lash	0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio	0.489 in.
Lifter Style	Hydraulic flat tappet
Lifters Included	Yes
Lobe Separation (degrees)	107
Locks Included	No
Part Type	Camshaft and Lifter Kits
Product Line	COMP Cams Thumpr Hydraulic Flat Tappet Cam and Lifter Kits
Pushrods Included	No
Quantity	Sold as a kit.
Retainers Included	No
Rocker Arms Included	No
Timing Chain and Gears Included	No
Valve Lift with Factory Rocker Arm Ratio	0.489 int./0.476 exh. lift
Valve Springs Included	No
Valve Stem Seal Set Included	No

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