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Comp Cams Performance Parts
Comp Cams 12-252-4
Comp Cams 12-252-4 Xtreme Turbo Cam CS XT256H-12 600x337
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Comp Cams 12-252-4
• Specifically designed for supercharged applications
• Lobe profiles tailored for large amounts of exhaust gases
• Valve timing that helps scavenge the cylinders
• Delivers all of the horsepower and torque available

Not legal for sale or use on pollution controlled motor vehicles.
Our Price: $144.95
UPC 036584078760
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 12-252-4 "Xtreme Turbo" Hydraulic Flat Tappet Camshaft
Fits 265-400 cu.in. small block Chevrolet V8s

Comp Cams' "blower" cams are designed to work with your supercharged or turbocharged application to get the most horsepower and torque available. This cam features lobe profiles specifically tailored to take advantage of the larger amounts of exhaust gases that result from the use of a supercharger. It also features valve timing that opens the exhaust valve a few degrees earlier to help scavenge the cylinders.


RPM Range: 1,800 to 6,000 rpm
Duration @ .050" lift: 212/212 (int/exh)
Valve lift: .447/.444 (int/exh)
Good for higher RPM street applications with 8-16 lbs of boost.
Shipping Weight/Dimensions:
Weight:8.87 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.
Comp Cams 2100
$26.97
Comp Cams 2100 "Magnum" Double roller timing chain set.
Fits 1955-1991, 265-400 cu.in Chevrolet V8s
(Except those with factory roller cam)
Comp Cams 1412-16
$154.97
Comp Cams 1412-16 "Magnum" roller rocker arms.
Fits 265-400 cu.in. Chevrolet V8s
Comp Cams 159
$10.95
Comp Cams 159 Camshaft Break-In Lube 12oz
Comp Cams 3100
$44.97
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)
Comp Cams 501-16
$6.95
Comp Cams 501-16 Valve Guide Seals
Fits small block Chevrolet V8s
Comp Cams 1601-16
$314.95
Comp Cams 1601-16 Rocker Arms CS 1.52 3/8 Ultra Pro Mag
Alternate Items
Comp Cams 742-16
$52.95
Comp Cams 742-16 Steel valve spring retainer
Fits 283-400 cu.in. Chevrolet V8 and 90 degree V6
Comp Cams 812-16
$76.95
Comp Cams 812-16 "High Energy" hydraulic valve lifters
Fits both small and big block Chevrolet V8s.
Comp Cams 981-16
$59.97
Comp Cams 981-16 Single Outer Valve Springs
Comp Cams 7812-16
$26.97
Comp Cams 7812-16 "High Energy" Pushrods.
Fits 1955 and later, 262-400 cu.in. Chevrolet V8 with flat tappet cam
Comp Cams 601-16
$12.97
Comp Cams 601-16 Valve Locks
Comp Cams 7372-16
$99.97
Comp Cams 7372-16 "Magnum" pushrods.
Fits 265-400 cu.in. Chevrolet V8s.
Comp Cams 648-16
$22.95
Comp Cams 648-16 11/32 7 degree Machined Steel Lock
Comp Cams 787-16
$49.97
Comp Cams 787-16 Steel valve spring retainers
For use with Comp Cams 26915 or 26918 valve springs in non-LS1 engines.
Comp Cams 858-16
$89.97
Comp Cams 858-16 "Pro Magnum" Hydraulic valve lifetrs.
Fits both small and big block Chevrolet V8s.
- Last Updated: 2014-08-27 17:08:59 -
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