2021-22 Engine Catalog

ROCKER ARMS

LS Series Engines LS1/LS2/LS6 & Vortec 4800 5300 6000 Conversion Kits Rocker arm kits convert from factory bolt-on rockers to stud-mounted rockers. Part No. Description

Stud

Ratio

Qty.

Comp Cams COM16755-KIT † PRW Industries PQX0334619 †

Ultra Pro Magnum, Increase Ratio, Includes Studs and Guide Plates (5/16")

3/8"

1.8

16

Billet Aluminum, Stock Ratio, Includes 3/8" Studs, Guide Plates (5/16") Pro Series Stainless Steel, Stock Ratio, Includes 3/8" Studs, Guide Plates (5/16") Pro Series Stainless Steel, Stock Ratio, Includes 3/8" Studs, Guide Plates (5/16")

3/8" 3/8" 3/8"

1.8 1.7 1.8

16 16 16

PQX0234611 † PQX0234612 †

† Pushrods are not included with these kits.

OEM LS Rocker Arm Trunnion/Roller Bearing Upgrade Retro-Fit Kit Converts a stock LS-series rocker arm into a captured roller trunnion for race applications. Increases stability and stiffness. NASCAR-spec, LS-engine proven. Part No. Description Stud Ratio Qty. Comp Cams COM13702-KIT Kit Includes Rocker Arm Trunnion, Bearing, and Retaining Ring Pedestal Mount 1.72 16 PRW Industries PQX1213462 Kit Includes Replacement Fulcrums, Drawn Cup Bearings, and Circlips Pedestal Mount 1.72 16

Aluminum Rocker Arms LS1/LS2/LS6 & Vortec 4800, 5300, 6000 Part No. Description

Stud

Ratio Qty.

Comp Cams COM1677-16

Ultra Pro Magnum, 8650 Chrome Moly Steel, Upgraded Trunnion and Roller Bearings, for Aftermarket Valve Springs, Bolt-Down, 850 lbs. Open Pressure Ultra-Gold, Pedestal Mount, with Pedestals and Bolts, Non-Adj. Ultra-Gold, Pedestal-Mount, Comes with Pedestals and Bolts, Non-Adj.

Pedestal Mount 1.8 16

COM19024-16 COM19025-16

Pedestal Mount 1.72 16 Pedestal Mount 1.82 16

Harland Sharp SHPSLS17

Original Series, Pedestal-Mount, Comes with Pedestals and Bolts, Non-Adj.

Pedestal Mount 1.72 16

Scorpion

SPN1098

Race Series, Pedestal-Mount, Comes With Pedestals, Must Use Factory Bolts, Non-Adj.

Pedestal Mount 1.7 16

Yella Terra

YTRYT6645 YTRYT6683

Ultralite, Pedestal-Mount, Comes with Pedestals and Bolts, Non-Adj.

Pedestal Mount 1.7 16 Pedestal Mount 1.7 16

Pro Street OEM-Sized Roller Rockers, 8mm Fasteners

Aluminum Rocker Arms LS3/L-92 With Rectangular Port Heads Part No. Description Stud

Ratio Qty.

Scorpion SPN1062 Race Series, Pedestal Mount Comes with Pedestals, Uses Factory Bolts, Non-Adj.

Pedestal Mount 1.72 16 Pedestal Mount 1.7 16

SHPSL927 Yella Terra YTRYT6667 YTRYT6685 YTRYT6733

Aluminum Roller Rocker Arms Only, Narrow Body, Orange Anodized

Ultralite, Pedestal Mount, Comes with Pedestals and Bolts, Non-Adj. Ultralite, Pedestal Mount, Comes with Pedestals and Bolts, Non-Adj. Non-Adjustable, AFR 260cc Mongoose and Trick Flow 255cc Gen-X Heads

Pedestal Mount 1.72 16 Pedestal Mount 1.72 16 Pedestal Mount 1.7 16

Aluminum Rocker Arms LS7 Part No.

Description

Stud

Ratio Qty.

Harland Sharp SHPSLS78A †

Aluminum Roller Rocker Arms Only, Narrow-Body, Orange Anodized

Pedestal Mount 1.8 16

Yella Terra YTRYT6670

Ultralite, Pedestal Mount, Comes with Pedestals and Bolts, Non-Adj

Pedestal Mount 1.8 16

† Requires shorter length pushrods and YTRYT5123 valve cover spacers.

Stainless Steel Rocker Arms LS1/LS2/LS6 & Vortec 4800, 5300, 6000 Part No. Description Stud Ratio Qty. PRW Industries PQX0234631 Platinum Series S/S, Comes with 8mm Hex Head Fasteners Pedestal Mount 1.7 16

163

2021-22 ENGINE BUILDER CATALOG

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