COMP Cams · New

COMP Cams Rocker Arms GM LS1 1.8 3/8 Ultra

Name: COMP Cams Rocker Arms GM LS1 1.8 3/8 Ultra
Brand: COMP Cams
SKU: cca1675-8
Price: 319.95 USD

MPN 1675-8 · Store SKU cca1675-8

$319.95

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Supplier stock checked 11/7/2026, 9:59:42 AM UTC. Adding a part does not reserve it.

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Product details

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 - LS1/LS2/LS6 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. (8) Ultra Pro Magnum Roller Rockers - Stud Mount - GM LS1/LS2/LS6/Cathedral Port Heads Ultra Pro Magnum 1.8 Ratio Rocker Arm Set of 8 for GM LS3 w/ 3/8" Stud 3/8" Stud, 1.8 Ratio

Manufacturer fitment & guides

Check 1675-8 against the manufacturer’s application information below.

Part-specific notes

California Proposition 65: Y

Manufacturer documents

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COMP Cams Rocker Arms GM LS1 1.8 3/8 Ultra

Product details

Manufacturer fitment & guides

Part-specific notes

Manufacturer documents

THE NEXT PART
OF YOUR BUILD.

Free shipping on $100+ orders.

Build with the right brands.

Find your next upgrade.

Make the whole setup work.

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Your build.

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