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Pontiac 265-455ci 1955-1981 Non-Factory Roller BlockThumpr
- Thumpr Retro-Fit Hydraulic Roller Camshaft
- Lift: .513"/.498"
- Duration: 283°/303°
- Lobe Separation Angle: 107°
- RPM Range: 1700-5500
High performance street, stock converter ok,best with 2000 + converter and gears,choppy/thumping idle
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.0
Package Width2.25
Package Length8.0
Weight8.7 PG
Part CategoryPerformance Parts
Vendor Part Number51-600-9
Package Qty1
Package TypeEA
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