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Black Friday BONUS! Get a FREE $20 Gift Card With Your $200 Order*.
PROMO: BLKOUT. Offer Valid 11/21/17 - 11/26/17.
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$424.99
COMP Cams 54-602-11 Thumpr Hyd. Roller Camshaft, LS
COMP Cams 54-602-11 Thumpr Hyd. Roller Camshaft, LS

COMP Cams 54-602-11 Thumpr Hyd. Roller Camshaft, LS

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COMP Cams 54-602-11 Thumpr Hyd. Roller Camshaft, LS
COMP Cams 54-602-11 Thumpr Hyd. Roller Camshaft, LS
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We estimate this item will ship on or before November 28th.
Part # 2825460211
$424.99
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for COMP Cams to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Camshaft Type:
Hydraulic Roller Tappet
RPM Range:
2600 to 6800
Intake Duration:
291
Exhaust Duration:
311
Lobe Separation:
109 °
Grind Number:
291THR9
Intake Duration @ .050" Lift:
235
Exhaust Duration @ .050" Lift:
249
Intake Valve Lift w/ Rocker Arm Ratio:
0.573"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.558"
MFG. Part #:
54-602-11
GTIN Code:
036584195184
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Sold in Quantity:
Each

Info

COMP Cams Big Mutha' Thumpr 291THR-9 Camshaft for LS Gen III/IV, Three-Bolt.

Thumpr. Big Mutha' Thumpr - Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle. 3 grinds to fit all of your performance needs. Unique design. Maximizes sound and mid to high RPM power. Ensures safe piston-to-valve clearance. Proven to generate 25+ RWHP gains. Does not compromise durability.

  • Three unique cam designs for each application that deliver excellent horsepower gains & broad torque curve; perfect choice for muscle cars & street rods
  • Early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note
  • Best with aftermarket converters & more rear gear
Some parts are not legal for use in California or other states with similar laws/regulations

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