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COMP Cams 91-602-5 Thumpr Hydraulic Camshaft, Buick 364/401/425
COMP Cams 91-602-5 Thumpr Hydraulic Camshaft, Buick 364/401/425

COMP Cams 91-602-5 Thumpr Hydraulic Camshaft, Buick 364/401/425

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COMP Cams 91-602-5 Thumpr Hydraulic Camshaft, Buick 364/401/425
COMP Cams 91-602-5 Thumpr Hydraulic Camshaft, Buick 364/401/425
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We estimate this item will ship on or before October 19th.
Part # 282916025
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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 Flat Tappet
RPM Range:
2500 to 6400
Intake Duration:
295
Exhaust Duration:
313
Lobe Separation:
107 °
Grind Number:
295TH7
Intake Duration @ .050" Lift:
243
Exhaust Duration @ .050" Lift:
257
Intake Valve Lift w/ Rocker Arm Ratio:
0.501"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.486"
MFG. Part #:
91-602-5
GTIN Code:
036584213291
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Sold in Quantity:
Each

Info

91-602-5 - Camshaft,364-425 295T H-107 T THUMPR.

Buick Nailhead 364, 401, 425 c.i. 8 cyl. 1957-1966. Hydraulic - Big Mutha' Thumpr - Street/strip, must have head modification, 2500+ stall, very rough idle. Thumpr Hydraulic Flat Tappet Camshafts. 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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