Best Competition Cams 12-601-4 Mutha' Thumpr 287TH7 Camshaft for Small Block Chevy

special discount Competition Cams 12-601-4 Mutha' Thumpr 287TH7 Camshaft for Small Block Chevy

Competition Cams 12-600-4 Thumpr 279TH7 Camshaft for Small Block HYDRAULIC - Thumpr : High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle. Customer Reviews There are no customer

HYDRAULIC - Mutha' Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

Competition Cams 12-601-4 Mutha' Thumpr 287TH7 Camshaft for Small Block Chevy

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Competition Cams 12-601-4 Mutha' Thumpr 287TH7 Features :

• HYDRAULIC - Mutha' Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
• 287/305 Advertised Duration, 235/249 Duration @ .050 inch, .489 inch/.476 inch Lift, 107 Lobe Separation
• Valve spring upgrade required

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