Comp Cams LS1/LS6 Big Mutha Thumpr 54-602-11 Comp Cams LS1/LS6 Big Mutha Thumpr 54-602-11 COMP With great performance and availability, the GM LS (LS1, -2, -6, -7) engines are an increasingly popular choice for retro-fit street rod and muscle car applications. In stock form, these engines are decent performers but they have much more to offer. And now with the Thumpr™ GM LS Cams you can have all the efficiencies delivered by this modern engine platform with a head turning “old school” hot rod sound and serious performance to back it up. The new Thumpr™ GM LS Cams are compatible with both carbureted and re-tuned electronic fuel injection (EFI) engines and do not sacrifice anything in durability or street manners. * In EFI applications, computer tuning is required. Designed for EFI (tuning required) & carbureted 1997-2008 GM LS (LS1, -2, -6, -7) engines; excellent street manners Early intake valve opening and long exhaust duration create optimum overlap for a powerful, hard-hitting exhaust sound Int. 235 Ext. 249 Lift Int. .573 Exh. .558 LSA 109° Made specifically for LS1, -2, -6, -7) Engines
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Comp Cams LS1/LS6 Big Mutha Thumpr 54-602-11

Code: 54-602-11
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Comp Cams LS1/LS6 Big Mutha Thumpr 54-602-11
Comp Cams LS1/LS6 Big Mutha Thumpr 54-602-11
Comp Cams LS1/LS6 Big Mutha Thumpr 54-602-11
$437.16 $389.99
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Category: 04-06 Pontiac GTO, 05-10 Corvette C6, 2010+ Camaro, 97-04 Corvette C5, 98-02 F-Body LS1, Camshafts, Engines & Components

  • Prompt and Speedy Delivery Available *Unless Special Order Item

  • 100% ORIGINAL AND QUALITY

  • Backed by Manufacturer Warranty

With great performance and availability, the GM LS (LS1, -2, -6, -7) engines are an increasingly popular choice for retro-fit street rod and muscle car applications. In stock form, these engines are decent performers but they have much more to offer. And now with the Thumpr™ GM LS Cams you can have all the efficiencies delivered by this modern engine platform with a head turning “old school” hot rod sound and serious performance to back it up. The new Thumpr™ GM LS Cams are compatible with both carbureted and re-tuned electronic fuel injection (EFI) engines and do not sacrifice anything in durability or street manners.

* In EFI applications, computer tuning is required.

  • Designed for EFI (tuning required) & carbureted 1997-2008 GM LS (LS1, -2, -6, -7) engines; excellent street manners
  • Early intake valve opening and long exhaust duration create optimum overlap for a powerful, hard-hitting exhaust sound

Int. 235 Ext. 249 Lift Int. .573 Exh. .558 LSA 109°

Made specifically for LS1, -2, -6, -7) Engines

With great performance and availability, the GM LS (LS1, -2, -6, -7) engines are an increasingly popular choice for retro-fit street rod and muscle car applications. In stock form, these engines are decent performers but they have much more to offer. And now with the Thumpr™ GM LS Cams you can have all the efficiencies delivered by this modern engine platform with a head turning “old school” hot rod sound and serious performance to back it up. The new Thumpr™ GM LS Cams are compatible with both carbureted and re-tuned electronic fuel injection (EFI) engines and do not sacrifice anything in durability or street manners.

* In EFI applications, computer tuning is required.

  • Designed for EFI (tuning required) & carbureted 1997-2008 GM LS (LS1, -2, -6, -7) engines; excellent street manners
  • Early intake valve opening and long exhaust duration create optimum overlap for a powerful, hard-hitting exhaust sound

Int. 235 Ext. 249 Lift Int. .573 Exh. .558 LSA 109°

Made specifically for LS1, -2, -6, -7) Engines