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COMP Cams Rocker Arm GM LS3 1.8 3/8 Ultra

SKU: CCA1676-1

Rocker Arms

CCA Rocker Arms...

COMP Cams Rocker Arm GM LS3 1.8 3/8 Ultra

SKU: CCA1676-1

Rocker Arms

CCA Rocker Arms...

A$119.17
LAST ONE! Est Ship 3-5 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

For LS3/L99/L76 - Rectangle Port Head LS ApplicationsSingle Stud Mount Rocker - Includes Poly Lock - Requires 3/8" Studs &

Product Overview

The Ultra Pro Magnum Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnum Rockers, but they also take stud mount rocker performance, stability and value to a whole new level. The modern arched, web-like design delivers increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. * Investment cast 8650 chromemoly body and arched, weblike design deliver increased strength and rigidity while reducing moment of inertia * Withstand valve spring pressures up to 850 lbs. * Unique black oxide exterior finish helps prevent corrosion, thus increasing durability * Increased retainer and valve spring clearances allow use of large diameter springs, retainers and +.050" locks without clearance or fitment issues * Feature oversized trunnions, precision-sorted needle bearings and hardened roller tips

Product Details

Amazon ASIN:B0066SWD1E
C.A.R.B. E.O. Number:N/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 Reason:N/A
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Description:Ultra Pro Magnum 1.8 Ratio Rocker Arm for GM LS3 w/ 3/8" Stud
Engine Family:LS3 (Factory Offset)
Maximum Valve Spring Open Pressure:850
Part Number:cca1676-1
Ratio:1.8
Rocker Arm Material:8650 Chromemoly Steel
Rocker Arm Ratio:1.8
Rocker Arm Series:Ultra Pro Magnum
Rocker Stud Diameter:3/8
Stud Diameter:3/8"
Title:Ultra Pro Magnum 1.8 Ratio Rocker Arm for GM LS3 w/ 3/8" Stud

Part Type

Engine Rocker Arm

Data: v4.2 - Upd: 2026-10-13 17:48:20

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
1676-1
Product Attributes - Part Type
Rocker Arms
Product Attributes - Product Line
COMP Cams Ultra Pro Magnum Rocker Arms
Product Attributes - UPC
036584213680
Product Attributes - Rocker Arm Mounting Style
Stud
Product Attributes - Self-Aligning
No
Product Attributes - Rocker Arm Ratio
1.8
Product Attributes - Stud Size
3/8 in.
Product Attributes - Rocker Arm Style
Full roller
Product Attributes - Shims Included
No
Product Attributes - Rocker Arm Material
Chromoly
Product Attributes - Rocker Arm Body Style
Standard
Product Attributes - Rocker Arm Fasteners Included
Yes
Product Attributes - Rocker Arm Nut Style
Polylock
Product Attributes - Rocker Arm Finish
Black oxide
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
For use on rectangle port heads only.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca1676-1
SFX Item ID 4119088
Supplier Item Code 4119088
Manufacturer SKU 1676-1
Manufacturer UPC 36584213680
Alternative References ls1, ls2, ls3, ls4, ls6, ls7

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year2008
    Ending Year2014
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376

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