COMP Cams Big Mutha' Thumpr Cam Specs
12-602-4 — 243/257 duration at 0.050", 0.5"/0.486" lift, 107 LSA. Small Block Chevy, hydraulic flat tappet.
Specifications
| Part number | 12-602-4 |
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| Duration at 0.050 intake | 243° |
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| Duration at 0.050 exhaust | 257° |
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| Valve lift intake | 0.5" |
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| Valve lift exhaust | 0.486" |
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| Lobe separation angle | 107° |
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| Published RPM range | 2500-6400 RPM |
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| Lifter type | Hydraulic flat tappet |
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| Platform | Small Block Chevy |
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| Intended use | Street / strip (very rough idle) |
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Similar grinds for Small Block Chevy
- Howards Cams Big Daddy Rattler — 118085-09, 243° at 0.050", 109° LSA
- COMP Cams Magnum 292H — 12-213-3, 244° at 0.050", 110° LSA
- COMP Cams Xtreme Energy XE284H — 12-250-3, 240° at 0.050", 110° LSA
- Crane Cams PowerMax — 119651, 240° at 0.050", 110° LSA
- COMP Cams Mutha' Thumpr — 12-601-4, 235° at 0.050", 107° LSA
- Howards Cams Retro-Fit HR — 110355-10, 251° at 0.050", 110° LSA
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