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COMP 1604-16 Ultra Pro Magnum Roller Rocker Arms Chevy 7/16-1.52
COMP 1604-16 Ultra Pro Magnum Roller Rocker Arms Chevy 7/16-1.52

COMP 1604-16 Ultra Pro Magnum Roller Rocker Arms Chevy 7/16-1.52

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COMP 1604-16 Ultra Pro Magnum Roller Rocker Arms Chevy 7/16-1.52
COMP 1604-16 Ultra Pro Magnum Roller Rocker Arms Chevy 7/16-1.52
COMP 1604-16 Ultra Pro Magnum Roller Rocker Arms Chevy 7/16-1.52
COMP 1604-16 Ultra Pro Magnum Roller Rocker Arms Chevy 7/16-1.52
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COMP 1604-16 Ultra Pro Magnum Roller Rocker Arms Chevy 7/16-1.52
COMP 1604-16 Ultra Pro Magnum Roller Rocker Arms Chevy 7/16-1.52
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Part # UP139553
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Details

Rocker Arm Style:
Roller
Rock Arm Ratio:
1.5
Stud Diameter:
.44"
Material Type:
Steel
Finish:
Black Oxide
MFG. Part #:
1604-16
Sold in Quantity:
Set
GTIN Code:
036584195870
Color:
Black

Info

Garage Sale Product

This is Garage Sale priced because it is an open box item.

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.

  • Set of 16
  • For Chevy small block 265-400
  • 7/16" Stud - 1.52 Ratio
  • 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.

 

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS   

Important Messages

  • This product is discontinued.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
  • To get the longest life and most performance out of your engine, it's important to have the valve lash set correctly. Here we show you how to set valve lash on a small block Chevy using a hydraulic lift camshaft.
  • Once you're ready to start selecting valve train components, we have some useful tips and tools that should boost your performance. We discuss proper valve-springs, pushrod length, and rocker arm ratios.

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