COMP Cams | Ultra Pro Magnum Rocker Arm w/ 1.7 Ratio for Chevrolet 396-454 w/ 7/16" Stud 1620-1 | Auto Value & Bumper to Bumper Auto Parts Stores

Product Details

Rocker Stud Diameter	7/16
Rocker Arm Ratio	1.7
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?	Yes, but must meet tailpipe emission standards for year of vehicle.
Maximum Valve Spring Open Pressure	850
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?	Yes, but must meet tailpipe emission standards for year of vehicle.
Title	Ultra Pro Magnum Rocker Arm w/ 1.7 Ratio for Chevrolet 396-454 w/ 7/16" Stud
AMAZON ASIN	B0046ZG9FU
C.A.R.B. E.O. Number	N/A
Engine Family	Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Rocker Arm Series	Ultra Pro Magnum
C.A.R.B. Exemption Reason	N/A
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. Exempt for On-Road Vehicles?	No
California Proposition 65	WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?	Yes, but must meet tailpipe emission standards for year of vehicle.
Rocker Arm Material	8650 Chromemoly Steel
Part Terminology	Engine Rocker Arm

Features & Benefits

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring Oversized trunnions, precision-sorted needle bearings and hardened Roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050\" locks without clearance or fitment issues.

Chevy V8 396-454 c.i.d. - 7/16\" Stud - 1.7 Ratio
Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia. Unique black oxide exterior finish helps prevent corrosion and increases durability.
Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050\" locks without clearance or fitment issues.
Feature Oversized trunnions, precision-sorted needle bearings and hardened Roller tips.
Lifetime Warranty - So strong that we guarantee the Rocker bodies against breakage for life. For use with up to 850 lbs of open spring pressure.

Product Details

Features & Benefits

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