Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

COMP Cams Rocker Arms GM LS3 1.8 3/8 Ultra

SKU: CCA1676-8

Rocker Arms

CCA Rocker Arm Kits...

COMP Cams Rocker Arms GM LS3 1.8 3/8 Ultra

SKU: CCA1676-8

Rocker Arms

CCA Rocker Arm Kits...

A$692.47
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

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.GM LS Engines - LS3/L99/L76 Style Heads - 3/8" Stud - 1.8 RatioInvestment 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 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

Description:Ultra Pro Magnum 1.8 Ratio Rocker Arm Set of 8 for GM LS3 w/ 3/8" Stud
Part Number:cca1676-8
Ratio:1.8
Stud Diameter:3/8"
Title:Ultra Pro Magnum 1.8 Ratio Rocker Arm Set of 8 for GM LS3 w/ 3/8" Stud

Part Type

Engine Rocker Arm Kit

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

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
1676-8
Product Attributes - Part Type
Rocker Arms
Product Attributes - Product Line
COMP Cams Ultra Pro Magnum Rocker Arms
Product Attributes - UPC
036584213697
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 as a set of 8.
Product Attributes - Notes
For use on rectangle port heads only.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca1676-8
SFX Item ID 4119091
Supplier Item Code 4119091
Manufacturer SKU 1676-8
Manufacturer UPC 36584213697
Alternative References ls1, ls2, ls3, ls4, ls6, ls7

Compatibility

Application Data
  • Beginning Year2008
    Ending Year2014
    Engine FamilyCHEVY SMALL BLOCK GEN III/IV LS V8 GAS
    Engine Size6.2L/376
    Engine TypeV8
    MakeCHEVROLET

Loading compatibility information...

Keep shopping

More from Comp Cams