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Comp Cams

Camshaft, Comp Cams Thumpr, Mutha Thumpr K-Kit, SBC, Hyd Roller

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Part# : CK86018
Mfg#: K08-601-8
Sold As: Each
Ship Size: Standard
$1,518.99
List Price: $1,671.95
You Save $152.96

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Vehicle Specific View fitment for 7 models
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Small Block Chevrolet 262-400 Mutha Thumpr Hydraulic roller Complete Cam Kit by COMP Cams®

Mutha Thumpr hydraulic roller complete kit combines the matched camshaft and valvetrain components

This Mutha Thumpr hydraulic roller complete cam kit is designed for Small Block Chevrolet 262-400. Valve lift is .522/.509 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. The complete K-Kit includes the camshaft, lifters, timing set, valve springs, retainers, locks and valve seals.

• Small Block Chevrolet 262-400 application • Mutha Thumpr hydraulic roller design • Valve lift: .522/.509 inch • Duration @ .050: 235/249 degrees • 107-degree lobe separation • Complete K-Kit valvetrain package

Notes

  • APPLICATION FOOTNOTES: [7] Stock springs cannot be used. [46] Must use bronze tip fuel pump push rod when using high pressure or high volume pump. [111] 1996-99 Vortec engines may experience retainer to valve guide clearance issues with anything over .470"
  • 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 - hydraulic roller [7]
1964–1987 Chevrolet El Camino 1964–1977: Small-Block - hydraulic roller [7]
1978–1987: K Kit - hydraulic roller [7]
1978–1983 Chevrolet Malibu K Kit - hydraulic roller [7]
1970–1988 Chevrolet Monte Carlo 1970–1977: Small-Block - hydraulic roller [7]
1978–1988: K Kit - hydraulic roller [7]
1978–1988 Oldsmobile Cutlass K Kit - hydraulic roller [7]
1982–1986 Pontiac Bonneville K Kit - hydraulic roller [7]
1978–1987 Pontiac Grand Prix K Kit - hydraulic roller [7]
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Camshaft, Comp Cams Thumpr, Mutha Thumpr K-Kit, SBC, Hyd Roller
Comp Cams Camshaft, Comp Cams Thumpr, Mutha Thumpr K-Kit, SBC, Hyd Roller