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Comp Cams Big Mutha Thumpr Hydraulic Camshaft & Lifter Kit Chevy 8cyl 55'-'98
It is street/strip, needs 9.5:1 CR, 2800+ stall, intake, gears, and headers. It has a very rough idle.
Advertised Duration |
295 int./313 exh. |
Advertised Exhaust Duration |
313 |
Advertised Intake Duration |
295 |
Assembly Lubricant Included |
Yes |
Basic Operating RPM Range |
2,500-6,400 |
Brand |
COMP Cams |
Cam Style |
Hydraulic flat tappet |
Camshaft Gear Attachment |
3-bolt |
Computer-Controlled Compatible |
No |
Duration at 050 inch Lift |
243 int./257 exh. |
Exhaust Duration at 050 inch Lift |
257 |
Exhaust Valve Lash |
0.000 in. |
Exhaust Valve Lift with Factory Rocker Arm Ratio |
0.486 in. |
Gaskets Included |
No |
Grind Number |
295TH7 |
Intake Duration at 050 inch Lift |
243 |
Intake Valve Lash |
0.000 in. |
Intake Valve Lift with Factory Rocker Arm Ratio |
0.500 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 |
0.500 int./0.486 exh. lift |
Valve Springs Included |
No |
Valve Stem Seal Set Included |
No |
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