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Mutha' Thumpr 234/249 Hydraulic Flat Cam for Oldsmobile 260-455

Part Number 42-601-5 (132703619)
UPC: 36584213192
Package contents: 1 Each per Box
Select vehicle for guaranteed fit
MADE IN USA
$325.95 FREE SHIPPING
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Description

Mutha' Thumpr 234/249 Hydraulic Flat Cam for Oldsmobile 260-455. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, Gears and headers, rough idle.

COMP Cams® is the leading American manufacturer of high-quality, performance-based internal engine components, including camshafts, valve springs, rocker arms, lifters, pushrods, and other valve train components. We help our customers with innovative technological advancements through extensive research and development. Our quality workmanship and engineering ensure confidence for racers and street performance enthusiasts. COMP Cams is a proud member of the Edelbrock Group family of brands, which include Edelbrock®, FAST® (Fuel Air Spark Technology), TCI® Automotive, Russell® Performance and Lunati Power®. Headquartered in Olive Branch, Mississippi, COMP Cams remains an innovative American company focused on results-driven technology and superior customer support. We believe in the automotive lifestyle and continue to support the passion for our American pastime. For more information about the Edelbrock Group or any partner brands, visit www.edelbrockgroup.com.

Fitment

This part fits the following vehicles.

  • 1975 Buick Apollo
  • 1972-1973 Buick Centurion
  • 1973-1974, 1977 Buick Century
  • 1972-1987 Buick Electra
  • 1972-1983 Buick Estate Wagon
  • 1972 Buick GS
  • 1971-1972 Buick GS 455
  • 1972-1990 Buick LeSabre
  • 1977, 1986-1987 Buick Regal
  • 1972-1985 Buick Riviera
  • 1972, 1975-1977 Buick Skylark
  • 1987-1990 Cadillac Brougham
  • 1979 Cadillac Eldorado
  • 1986 Cadillac Fleetwood
  • 1976-1979 Cadillac Seville
  • 1972-1973 Chevrolet Bel Air
  • 1972-1974 Chevrolet Camaro
  • 1973, 1986-1990 Chevrolet Caprice
  • 1973 Chevrolet Chevelle
  • 1972 Chevrolet Corvette
  • 1972, 1974 Chevrolet Impala
  • 1972-1974 Chevrolet Nova
  • 1967-1971 Oldsmobile 442
  • 1967-1984 Oldsmobile 98
  • 1971-1990 Oldsmobile Custom Cruiser
  • 1967-1981 Oldsmobile Cutlass
  • 1978-1984 Oldsmobile Cutlass Calais
  • 1980-1983 Oldsmobile Cutlass Cruiser
  • 1975-1980, 1985-1987 Oldsmobile Cutlass Salon
  • 1967-1988 Oldsmobile Cutlass Supreme
  • 1976 Oldsmobile Cutlass Tiara
  • 1967-1968 Oldsmobile Delmont 88
  • 1967-1985 Oldsmobile Delta 88
  • 1967-1972 Oldsmobile F85
  • 1973-1977 Oldsmobile Omega
  • 1967-1971, 1976-1985 Oldsmobile Toronado
  • 1967-1975 Oldsmobile Vista Cruiser
  • 1972, 1977-1981 Pontiac Bonneville
  • 1972, 1977-1981 Pontiac Catalina
  • 1977-1979 Pontiac Firebird
  • 1976-1977 Pontiac Grand LeMans
  • 1977 Pontiac Grand Prix
  • 1972, 1977-1978 Pontiac Grand Safari
  • 1976-1977 Pontiac LeMans
  • 1986 Pontiac Parisienne
  • 1977 Pontiac Phoenix
  • 1987-1989 Pontiac Safari
  • 1975-1977 Pontiac Ventura

Features & benefits

  • Melling offers a full line of OE replacement and high performance camshafts for cars, light duty, medium duty and heavy duty trucks. Melling listings include OEM applications to match the engine requirements desired including horsepower, economy and needed engine torque. Melling camshafts are developed, engineered, tested and manufactured with the highest standards of quality and materials.

Specifications

Advertised Exhaust Duration 304
Advertised Intake Duration 286
Amazon ASIN B005H89WW2
Assembly Lubricant Included Yes
Basic Operating RPM Range 2,200-6,100
C.A.R.B. E.O. Number N/A
C.A.R.B. Exempt For On-Road Vehicles? No
C.A.R.B. Exemption Reason N/A
Cam And Lifter Kit Upgrade CL42-601-5
Cam Type Hydraulic Flat Tappet
Camshaft Gear Attachment 1
Camshaft Material Cast Iron
Camshaft Series Thumpr
Country Of Origin USA
Engine Family Oldsmobile 260-455 c.i. 8 Cylinder (1967-1990)
Exhaust Duration At .050 Inch Lift 249
Exhaust Valve Lift 0.486
Grind Number 287TH7
Intake Duration At .050 Inch Lift 234
Intake Valve Lift 0.5
K-Kit Upgrade K42-601-5
Lifter Type Hydraulic Flat Tappet
Lifters Included No
Lobe Separation 107
Street Legal Yes - Except CA
Usage Street/Strip
Valve Springs Required Yes

Warranty

12 Months

Videos and guides

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Carb Status

California carb status to be completed

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