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Comp Cams Performance Parts
Comp Cams 18-420-8
Comp Cams 18-420-8 Magnum Retro-Fit Cam Non Computer Controlled C43 270H-R10 500x375
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Comp Cams 18-420-8
• Improved throttle response
• Better mid-range to top end power
• May require converter and gear upgrades
• There's a Comp Cams "Magnum" cam that's perfect for every vehicle
• Works well in computer controlled vehicles.

Not legal for sale or use on pollution controlled motor vehicles.
Our Price: $296.95
UPC 036584780670
Free Shipping and Handling for orders over $99!
(US only. Excluding any oversize charges.)
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1Estimated Shipping Dates are based on available inventory and the nearest warehouse.
Performance Parts is a Comp Cams authorized performance retailer
Product Info Related Items
Comp Cams 18-420-8 "Magnum" Hydraulic Roller Camshaft
Fits 1980-1997, Chevrolet 4.3L six cylinder in non-computer controlled applications.

Comp Cams "Magnum" retrofit camshafts will deliver improved performance, better fuel mileage and throttle response for every high performance enthusiast. A Magnum cam will produce great power in the higher rpm ranges and still be easy on your valve train parts. It will work well with mild ratio rocker arms and most performance valve springs. Whether it's for your daily driver, a street rod or bracket racer, or even a Super Gas car there's a Comp Cams "Magnum" camshaft designed to perfectly meet your needs.


RPM Range: 1,800 to 5,000 rpm
Duration @ .050" lift: 215/215 (int/exh)
Valve lift: .500/.500 (int/exh)
Ideal for mild street performance, slightly noticeable lope at idle.
Works with stock converter, aftermarket intake & headers. 3.40 - 4.10 gears.
Shipping Weight/Dimensions:
Weight:6.93 lbs
Height:3.00 in.
Length:24.50 in.
Width:3.00 in.
Shipping from warehouses in the U.S. and Canada!
Performance Parts has over 20 warehouses in the U.S. and Canada so you can get your parts duty free! Call for availability.
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Fits 1955-1991, 265-400 cu.in Chevrolet V8s
(Except those with factory roller cam)
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Comp Cams 3100 "Hi-Tech" roller timing chain set.
Fits 1955-1991, 265-400 cu.in. Chevrolet V8s, and 1978-1986, 90 degree V6 engines (except those with factory roller cam)
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Comp Cams 740-12 Steel Valve Spring Retainer
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Comp Cams 7809-12 "High Energy" Pushrods
Fits 262-400 cu.in. Chevrolet V8 when retro-fit with hydraulic roller cam
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• Dual Valve Spring
• Coiled On the Most Advanced CNC Machines
• 1 Year Limited Warranty
Alternate Items
Comp Cams 611-12
$17.95
Comp Cams 611-12 11/32 Super Lock
Comp Cams 740-12
$39.95
Comp Cams 740-12 Steel Valve Spring Retainer
Comp Cams 7809-12
$28.95
Comp Cams 7809-12 "High Energy" Pushrods
Fits 262-400 cu.in. Chevrolet V8 when retro-fit with hydraulic roller cam
Comp Cams 7949-16
$134.97
Comp Cams 7949-16 Hi-Tech Pushrods
Comp Cams 986-12
$64.95
• Dual Valve Spring
• Coiled On the Most Advanced CNC Machines
• 1 Year Limited Warranty
Comp Cams 15853-16
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Short Travel Race Lifters – GM Small Block 265-400

• Minimizes internal piston movement
• Performs at higher speeds
• Allows higher engine rpm
• Race/street applications
• Set of 16
- Last Updated: 2014-08-27 17:11:54 -
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