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Drag Race/Oval Track 253/253 Hydraulic Flat Cam for Chevrolet Small Block

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UPC:
00036584640325
Availability:
This part ships direct from the manufacturer, lead times, stock and shipping may vary.
Weight:
8.55 LBS
$351.58

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A Portion Of The Proceeds From Your Purchase Supports The Development & Reproduction Of High Quality 1963-1991 Restoration Parts.

Drag Race/Oval Track 253/253 Hydraulic Flat Cam for Chevrolet Small Block

Drag Race/Oval Track 253/253 Hydraulic Flat Cam for Chevrolet Small Block

$351.58
4000+ stall, 11:1+ compression, medium weight car. Good for light cars on long tracks with fast corners.

Installation Instructions

Installation Instructions



This Part Fits:

YearMakeModelSubmodel
1968-1971JeepJ-100Base
1969-1971JeepJ-2500Base
1969-1971JeepJ-2600Base
1969-1970JeepJ-2700Base
1969-1970JeepJ-3500Base
1969-1970JeepJ-3600Base
1969-1970JeepJ-3700Base
1969-1971JeepJ-3800Base
1968-1971JeepWagoneerBase


Advertised Exhaust Duration305
Advertised Intake Duration305
ApplicationsFits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.
Assembly Lubricant IncludedYes
Basic Operating RPM Range3,500-6,500
C.A.R.B. E.O. NumberN/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?No
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption ReasonN/A
California Proposition 65WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam TypeHydraulic Flat Tappet
Camshaft Gear Attachment3-Bolt
Camshaft MaterialCast Iron
Camshaft SeriesOval Track
Description4000+ stall, 11:1+ compression, medium weight car. Good for light cars on long tracks with fast corners.
Engine FamilyChevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration at .050 inch Lift253
Exhaust Valve Lift0.525
Grind Number305H-6
Intake Duration at .050 Inch Lift253
Intake Valve Lift0.525
Lifter TypeHydraulic Flat Tappet
Lifters IncludedNo
Lobe Separation106
Valve Springs RequiredYes
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