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Comp Cams

Camshaft, Comp Cams Thumpr, Mutha Thumpr CL-Kit, SBC, Retro Hyd Roller

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Part# : CL26018
Mfg#: CL12-601-8
Sold As: Each
Ship Size: Standard
$1,212.99
List Price: $1,334.95
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Fits 1964–1987 El Camino View fitment for 7 models
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Small Block Chevrolet 262-400 Mutha Thumpr Hydraulic roller Cam & Lifter Kit by COMP Cams®

Mutha Thumpr hydraulic roller cam-and-lifter kit keeps the matched lifter package with the selected grind

This Mutha Thumpr hydraulic roller cam & lifter kit is designed for Small Block Chevrolet 262-400. Valve lift is .521/.507 inch, advertised duration is 291/311 degrees, duration at .050-inch lift is 235/249 degrees, lobe separation is 107 degrees, and the documented operating range is 2200-5900 RPM. High-performance street/strip; rough idle; 9:1 compression and 2500+ stall recommended. The CL-Kit includes the camshaft and matched lifters.

• Small Block Chevrolet 262-400 application • Mutha Thumpr hydraulic roller design • Valve lift: .521/.507 inch • Duration @ .050: 235/249 degrees • 107-degree lobe separation • Camshaft and matched lifters included

Notes

  • APPLICATION FOOTNOTES: [7] Stock springs cannot be used. [10] Requires thrust button & wear plate. [46] Must use bronze tip fuel pump push rod when using high pressure or high volume pump.
  • This item is not eligible for any further discounts or promotional pricing.
3
This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only. Learn More
We aim to provide accurate and complete product information. If you notice anything incorrect, missing, or unclear, please let us know.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1964–1977 Chevrolet Chevelle Small-Block - Retro-fit hydraulic roller [7, 10, 46]
1964–1987 Chevrolet El Camino 1964–1977: Small-Block - Retro-fit hydraulic roller [7, 10, 46]
1978–1987: CL Kit - Retro-fit hydraulic roller [7, 10, 46]
1978–1983 Chevrolet Malibu CL Kit - Retro-fit hydraulic roller [7, 10, 46]
1970–1988 Chevrolet Monte Carlo 1970–1977: Small-Block - Retro-fit hydraulic roller [7, 10, 46]
1978–1988: CL Kit - Retro-fit hydraulic roller [7, 10, 46]
1978–1988 Oldsmobile Cutlass CL Kit - Retro-fit hydraulic roller [7, 10, 46]
1982–1986 Pontiac Bonneville CL Kit - Retro-fit hydraulic roller [7, 10, 46]
1978–1987 Pontiac Grand Prix CL Kit - Retro-fit hydraulic roller [7, 10, 46]
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Camshaft, Comp Cams Thumpr, Mutha Thumpr CL-Kit, SBC, Retro Hyd Roller
Comp Cams Camshaft, Comp Cams Thumpr, Mutha Thumpr CL-Kit, SBC, Retro Hyd Roller