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Comp Cams Ultra Pro Magnum Roller Rockers
The Ultra Pro Magnum™ Roller Rocker Arms for Chevy V8 265-400 cid (SBC) applications 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. These rocker arms feature a 7/16" stud diameter and 1.52 ratio. 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 trunions, 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.
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 trunions, 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.
Part Type: Rocker Arms
Application: Chevrolet Big Block
Rocker Arm Material: 8650 Chromoly Steel
Rocker Arm Style: Roller Tip
Rocker Arm Ratio: 1.7
Self-Aligning: No
Rocker Arm Mounting Style: Stud
Stud Size: 7/16"
Roller Tip: Yes
Roller Trunnion (Body): Yes
Rocker Arm Nut Included: Polylock
Rocker Pivot Balls Included: No
Rocker Arm Finish: Black Oxide
Maximum Spring Diameter:
Shims Included: No
Manufacturer: Comp Cams
Manufacturer's Part Number: 1620-16
UPC: 036584196051
Weight: 9.55 lbs.
Warranty: Limited Lifetime Warranty- Competition Cams, Inc. warrants that its products are free from defects in material and workmanship for a period of One Year from the date of purchase. On certain products, there is a Limited Lifetime Warranty. This Limited Warranties cover only the original purchaser. Only certain select products that are clearly marked are covered by the Limited Lifetime Warranty; all other products carry the One Year Limited Warranty. Comp Cams Inc.'s obligation under both warranties is limited to the repair or replacement of its product. It is the responsibility of the installer to ensure that all of the components are correct before installation. We assume no liability for any errors made in tolerances, component selection or installation. There is absolutely no warranty on the following: (a) Any part(s) that have not been adequately or properly installed; (b) Any parts used in racing applications or subject to excessive wear; (c) Any product used in marine applications, unless that product is specifically listed as a marine product; (d) Any product that has been physically altered, modified, improperly installed or not maintained; (e) Any Product used in an improper applications, abused or not used in conjunction with the proper parts. Competition Cams Inc. will not be responsible for incidental and consequential damages, property damage or personal injury damages.
Quantity: Sold in Sets of 16
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