ROCKER ARMS
LS Series Engines Chevrolet Performance LS Rocker Arms An easy bolt-on performance upgrade for smoother valvetrain operation and additional horsepower with increased rpm, without any further modifications. Part No. Description Stud Ratio Qty. GMP12696105 Steel Roller Rocker Arm, Offset Intake Position L92/LS3/LS9 8mm 1.7 1 GMP12681275 Steel Roller Rocker Arm, Intake & Exhaust Position LS1/LS2/LS6, Exhaust Position Only L92/LS3/LS9 8mm 1.7 1 GMP12579617 Steel Roller Rocker Arm, Exhaust Position LS7 8mm 1.8 1 GMP12579615 Steel Roller Rocker Arm, Offset Intake Position LS7 8mm 1.8 1
Stainless Steel Rocker Arms LS3/L-92 Part No.
Description
Stud
Ratio Qty.
PRW Industries PQX0236431
Platinum Series S/S, Offset Intake, 8mm Hex-Head Fasteners
Pedestal Mount 1.7 16
Shaft-Mount Rocker Arm Systems LS1/LS2/LS6 and Vortec 4800, 5300, 6000 with Cathedral-Port Heads Part No. Description
Ratio
Qty.
Comp Cams COM1500
Aluminum Rockers, 8620 Hardened Steel Shafts, Will Need Spacer Covers Max-Lift BSR, Steel Rockers, Bushed, 8620 Hardened Steel Shafts
1.7 1.7
16 16
COM1981-16
PRW Industries PQX3534631
Platinum Series, 6061-T6 Billet Aluminum Roller Rockers, Billet Steel Pedestals, Billet Aluminum Shaft Mount, with Pushrod Length Checkers, Components and Hardware, Black Anodized
1.7
16
LS3/L92 with Rectangular-Port Heads Part No.
Description
Ratio
Qty.
Comp Cams
COM1500
Aluminum Rockers With 8620 Hardened Steel Shafts, Will Need Valve Cover Spacers Max-Lift BSR, Steel Rockers, Bushed, 8620 Hardened Steel Shafts 2024 Billet Aluminum Roller Rockers, 8620 Hardened Steel Shafts
1.7 1.7 1.7
16 16 16
COM1982-16
COM1521
PRW Industries PQX3536431
Platinum Series, 6061-T6 Billet Aluminum Roller Rockers, Billet Steel Pedestals, Billet Aluminum Shaft Mount, with Pushrod Length Checkers, Components and Hardware, Black Anodized 1.7
16
Shaft-Mount Rocker Arm Systems LS7 Part No. Description
Ratio
Qty.
Comp Cams
COM1983-16
Max-Lift BSR, Steel Rockers, Bushed, 8620 Hardened Steel Shafts
1.7
16
T & D Machine
TDM2351-170/170 B TDM2351-180/180 B
Mast Motorsports Cylinder Head Only, .350 Int. O/S, .080 Exh. O/S Mast Motorsports Cylinder Head Only, .350 Int. O/S, .080 Exh. O/S
1.7/1.7 1.8/1.8
16 16
B These rockers have Spring Oil Hole (.040) Option # 0720.
Rocker Arm Components Part No. Description Chevrolet Performance GMP11588791
Replacement Rocker Arm Bolt, 8mm x 1.00 Thread, 1-7/8" Long, Each
GMP12600936
Replacement Rocker Arm Stand, L92/LS3/LS9, Each
Yella Terra
GMP11588791
YTRYT6279 YTRYT6580 YTRYT6581 YTRYT5060 YTRYT5099 YTRYT5115 YTRYT5117
Pedestal Spacers, 1.020" Dia. x 0.085" (26mm x 2.0mm), Each Pedestal Spacers, 1.020" Dia. x 0.100" (26mm x 2.5mm), Each Pedestal Spacers, 1.020" Dia. x 0.150" (26mm x 3.8mm), Each
Caged Roller Bearing, All Rockers, Each Roller, Pin, and Circlip Kit, Each Adjusting Screw and Nut, 24mm, Each Adjusting Screw and Nut, 28.4mm, Each
YTRYT6279
164
2021-22 ENGINE BUILDER CATALOG
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