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Comp Cams Ultra Pro Magnum Roller Rockers, Rectangle Port

Ultra Pro Magnum Roller Rockers
Stud Mount
Rectangle Port Heads
1.8 Ratio
Includes 3/8 Studs, Poly Locks, and Guide Plates for 5/16 Pushrods
Sold in Set/16
Please Call for Availability


For LS3/L99/L76 & Other Rectangle-Port Head Equipped LS Applications

Includes Full Set of (16) Stud-Mount Rockers (w/ Poly Locks), 3/8" Studs & Raised Guide Plates for 5/16" Pushrods*

Increase Strength Over Stock, While Increasing Lift Without Swaping Cams

As LS engines continue to grow in popularity, COMP Cams® has expanded its line of rocker arms to build components specific to LS applications. New Ultra Pro Magnum™ Rockers are made from investment-cast 8650 chromemoly steel, utilize upgraded trunnions and needle bearings over stock and are stronger, stiffer and more durable than the stock parts. They also feature a 1.8 ratio (compared to the stock rockers’ 1.7) and utilize a roller tip instead of a slider. The higher ratio and increased stiffness make these rockers a great option for increasing lift without changing cams. This increased stiffness, along with the upgraded trunnion package and roller wheel, also makes them a perfect choice when running aftermarket valve springs. The rockers are also available in a bolt-on design that uses stock rocker stands. The stud-mount version is perfect for individuals running mechanical lifters as well. Kits do not include pushrods, but they are available separately.

Increased (1.8) Ratio & Stiffness Make Rockers a Great Option for Increasing Lift w/o Changing Cams

Investment-Cast 8650 Chromemoly Steel Body That is Stronger, Stiffer & More Durable Than Stock

Increased Stiffness, Upgraded Trunnion & Roller Wheel Make Rockers Perfect for Aftermarket Valve Springs

Limited Lifetime Warranty: So Strong That We Guarantee the Rocker Bodies Against Breakage for Life

Stud-Mount Design Converts GM LS to Convenient, Adjustable Valve Train; Bolt-On Version Available

ALSO AVAILABLE FOR LS1/LS2/LS6/4.8/5.3/6.0/Cathedral-Port Head Equipped LS Applications



Rectangular Port Heads Only, LS3 Style



Shipping Information

  • Item Requires Shipping
  • 10.0 lbs.

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