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Pro Series Small Block Chevy Aluminum Rocker Arms
Pro Series Small Block Chevy Aluminum Rocker Arms

Pro Series Small Block Chevy Aluminum Rocker Arms

Chevy Small Block V8, Roller Tip Rocker Arm Style, 1.5 & 1.6 Rock Arm Ratio, Aluminum, Anodized

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Pro Series Small Block Chevy Aluminum Rocker Arms
Pro Series Small Block Chevy Aluminum Rocker Arms
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Part # 575335016
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.


Rocker Arm Style:
Roller Tip
Rock Arm Ratio:
1.5 & 1.6
Material Type:
MFG. Part #:
Sold in Quantity:
Thread Pitch:
Set of 16


PRW Pro Series Aluminum Rocker Arms are used around the world by professional racers, engine builders and hot rod enthusiasts, offering outstanding power and performance advantages for street, strip, and track applications. Made from high strength 6061-T6 aluminum extrusions, each piece is precision CNC machined and finished by hand to ensure that out customers receive the very best PRW has to offer. PRW stud mount aluminum rockers are specially machined to allow for larger springs and retainers with full-cage friction reducing bearings for added durability. The nose rollers and shafts are Cr40 steel, heat-treated and hardened to minimize wear that naturally occurs between the roller tip and the valve stem.

  • Rated at 750 lbs. open spring pressure
  • Includes rocker pivot balls and PRW ROCKERLOCS™
  • Internal Oiling system for long lasting performance
  • Available for self-aligning applications and in split sets
  • Wide assortment of ratios to suit almost any cam profile
  • Features full complement friction reducing needle bearings 
  • Engine Applications:
    • Model:  Chevrolet 262-400
    • Years:  1955-86
  • 1.5/1.6 X 7/16" Stud Mount
  • Set of 16

***Guide Plates Required

Item Details

S/B Chevy - 1.5/1.6 X 7/16" Stud Mount
Set of 16
Guide Plates Required
Some parts are not legal for use in California or other states with similar laws/regulations

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Q & A

Videos & Articles
  • 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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