My Garage Add a vehicle

Pick your vehicle in the Shop By Vehicle bar below and every page shows the parts that fit it.

Cart
Reset

COMP Cams Magnum 230/230 Hydraulic Flat Cam for Pontiac 265-455

Part # 51-234-4SKU COM51-234-4

Universal fit

Specifications
BrandCOMP Cams
Part typeEngine Camshaft
Advertised Exhaust Duration280 deg
Advertised Intake Duration280 deg
Amazon ASINB000N5OMTW
Assembly Lubricant IncludedYes
Basic Operating RPM Range2,000-6,000 RPM
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.
Cam and Lifter Kit UpgradeCL51-234-4
Cam TypeHydraulic Flat Tappet
Camshaft Gear Attachment1-Bolt
Camshaft MaterialCast Iron
Camshaft SeriesMagnum
Engine FamilyPontiac 265-455 C.I. 8 Cylinder (1955-1981)
Exhaust Duration at .050 inch Lift230 deg
Exhaust Valve Lift0.48 in
Grind Number280H
Intake Duration at .050 Inch Lift230 deg
Intake Valve Lift0.48 in
K-Kit UpgradeK51-234-4
Lifter TypeHydraulic Flat Tappet
Lifters IncludedNo
Lobe Separation110 deg
SK-Kit UpgradeSK51-234-4
UsageStreet/Strip
Valve Springs RequiredYes
UPC / GTIN00036584520368

Description

Hydraulic: Choppy idle, increased compression advised. Needs 2500 stall and lower Gear, use headers.