Manual

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Shaft Mount Rocker Arm System

Installation Instructions

Small Block Chevrolet 23 Degree Cylinder Heads

STOP!! IF YOUR CYLINDER HEAD IS NOT LISTED BELOW;

Do not attempt to install THIS SYSTEM!!

Manufacturer

Compatible Cylinder Heads

Chevrolet OEM

Early Model Head with Std Pivot and Std Offset Vortec,

Fast Burn, Late Model Bowtie, LT1/LT4

AFR

165cc-225cc with standard stud spacing

All Pro Cylinder Heads

200, #220 , SP Head, Street Strip & 305-23

Brodix

-8, -10, -11, Track 1, FB 1000

Dart

Iron Eagle/Sportsman II

Edelbrock

Victor Jr./E-Tec.

GM Performance Parts

23° Aluminum

Profiler

23° Small Block Chevy, P/N 176

Pro Topline

23° Small Block Chevy

RHS

23° Pro Action

Trick Flow

23° Small Block Chevy: Super 23 SBC

World Products

SR/Sportsman II

3335001, 03 & 13 Parts List

Item

Quantity

Rocker Arm Stands/Pedestals

2 each

Rocker Arms (Pairs)

8 each

7/16”-14 Low Head Cap Screw – Cylinder Head Bolts

8 each

7/16”-14 x .8750 Rocker Arm Stand Bolts

16 each

5/16” Rocker Arm Shaft Bolts

24 each

3/8” Valve Lash Adjusters

16 each

3/8” 12 Point Adjuster Nuts

16 each

Stainless Steel Adjuster Washers

16 each

Rocker Stand Shims ( 3 Thicknesses)

8 each

3/8” Drive Torx Drivers (T-45 & T-50)

1 each

Push Rod Length Checker

2 each

Extreme Pressure Lube #3

1 each

Thank you for purchasing a Performance Quotient® product. PQ

Series Shaft Mount Rocker Arm

Systems are engineered and manufactured by PRW Industries, Inc. to maximize valvetrain efficiency

for many popular Chevrolet and other GM, Ford, and Mopar performance aftermarket and racing

cylinder heads. CNC machined billet steel pedestals, centerless ground steel alloy rocker shafts,

PRW aviation quality fasteners, and needle roller bearings comprise the foundation of PQ

rocker

arms and related systems.

PRW Industries, Inc.

1722 Illinois Avenue

Perris, California 92571

Tele: (951) 436-7900

Tech: (888) 377-9779

Summary of content (5 pages)

PAGE 1
PRW Industries, Inc.
PAGE 2
PQ2 Shaft Rocker Arm System Preparation: Please read these instructions carefully before beginning your installation. Also, take a moment to review the limited warranty information. If there are any questions or problems during the installation, please do not hesitate to contact the PRW Customer Service Hotline at 1-888-377-9779, between the hours of 7 a.m. and 5 p.m. PST Monday through Friday. 1. Make certain that you have all the tools necessary to complete the project. 2.
PAGE 3
Step 7: Install the rocker arms onto the rocker arm shaft one pair at a time. a) If pushrod length has already been determined and pushrods installed, back the adjusters out until the base of the adjuster seats against the rocker body. b) If pushrod length has not been verified, please refer to the Section II – Special Instructions: Pushrod Length; Checking to Determine Proper Length to ascertain the appropriate pushrod lengths. Once completed, install the pushrods, and continue Step 7 as detailed below.
PAGE 4
Section ii – special instructions Pushrod Length; Checking to Determine Proper Length 1. With the number 1 cylinder at TDC (Top Dead Center) seat the provided pushrod length checkers in both exhaust and intake valve lifters. a. The base circle may be different between the intake and exhaust camshaft profiles. b. It is necessary to check both for proper individual pushrod length. 2.
PAGE 5
PRW will not be responsible for incidental and consequential damages, property damage or personal injury damages to the extent permitted by law. Where required by law, implied warranties or merchantability and fitness are limited for a term of (1) one year from the date of original purchase. This warranty may give you specific legal rights. You may also have other legal rights, which vary from state to state. PRW Industries, Inc.