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Comp Cams Performance Parts
Comp Cams 54-601-11
Comp Cams 54-601-11 Mutha Thumpr Cam 475x278
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Comp Cams 54-601-11
• Excellent street manners with the "Thumpr" sound
• Designed specifically for GM's LS series of engines
• Early intake opening and long exhaust duration create hard hitting sound
• Compatible with carbureted and EFI (tuning required) applications
• Ideal for retro-fit street rod or muscle car applications
• Modern efficiency with hot rod sound and serious power

Our Price: $394.97
UPC 036584195177
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(US only. Excluding any oversize charges.)
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Performance Parts is a Comp Cams authorized performance retailer
Product Info Related Items
Comp Cams 54-601-11 "Mutha'Thumpr" High Performance Street/Strip Camshaft
Fits Chevrolet small block Gen III/IV LS series engines (3 bolt)

The General Motors LS based series of engines is finding increasing favor for street rod and muscle car projects. These engines are decent performers right out of the box, but there is great untapped potential in them. Comp Cams "Thumpr" line of high performance camshafts gives you the head turning hot rod sound and the serious performance you want along with all of the efficiencies that this modern engine platform has to deliver. Comp Cams "Thumpr" LS cams are compatible with both carbureted and re-tuned fuel injection applications and you will not have to give up anything in durability or street manners.


RPM Range: 2,300 - 6,600 rpm
Duration @ .050: 227/241 (int/exh)
Valve lift: .563/.546 (int/exh)
High performance street/strip, needs 9:1 compression, 2500+ stall, performance intake, gears, and headers. Rough idle.
Computer tuning required for EFI
Shipping Weight/Dimensions:
Weight:10.16 lbs
Height:3.00 in.
Length:24.50 in.
Width:3.00 in.
Shipping from warehouses in the U.S. and Canada!
Performance Parts has over 20 warehouses in the U.S. and Canada so you can get your parts duty free! Call for availability.
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LS Engine Dual Valve Spring Kit: Titanium Retainers

• .675” maximum lift
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LS Engine Dual Valve Spring Kit: Tool Steel Retainers

• .675” maximum lift
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- Last Updated: 2014-12-29 20:36:19 -
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