ROCKER ARMS
283-400 Original Equipment-Style Replacement Rocker Arms Part No. Description
Stud Ratio Qty.
Chevrolet Performance GMP12495490
Stamped Steel, Self-Aligning
3/8" 1.5 16
Comp Cams
COM1217-16 COM1218-16 COM1220-16 CRN10800C-16 CRN11801C-16 CRN11802C-16 ELGRK-508 ELGRK-1508 ELGRK-1508SP ELGRK-840NS ELGRK-840SPNS ELGICE411840SP ELGICE400840 ELGICE400840SP ELGICE401840 ELGICE401840SP ELGICE410840 ELGICE410840SP ELGICE411840 ELGICE411840SP
High-Energy Steel “Nitrided” Long Slot, with Balls and Nuts High-Energy Steel “Nitrided” Long Slot, with Balls and Nuts High-Energy Steel “Nitrided” Long Slot, with Balls and Nuts
3/8" 1.5 16 3/8" 1.6 16 7/16" 1.5 16 3/8" 1.5 16 3/8" 1.5 16 3/8" 1.6 16 3/8" 1.5 1 † 7/16" 1.5 1 † 7/16" 1.6 1 † 3/8" 1.5 16 3/8" 1.6 16 7/16" 1.5 16 3/8" 1.5 8 3/8" 1.6 8 7/16" 1.5 8 7/16" 1.6 8 3/8" 1.5 8 3/8" 1.6 8 7/16" 1.5 8 7/16" 1.6 8
Crane Cams
Self-Aligning, Steel Nitro Carb, Long Slot
Steel Nitro Carb, Long Slot Steel Nitro Carb, Long Slot
Elgin
CRN11802C-16
Stamped Steel, with Balls and Nuts, Long Slot Stamped Steel, with Balls and Nuts, Long Slot Stamped Steel, with Balls and Nuts, Long Slot Stamped Steel, with Balls and Nuts, Long Slot Stamped Steel, with Balls and Nuts, Long Slot Stamped Steel, “Nitro” Balls and Nuts, Long Slot “Black Ice” 8 Rockers Only, Long Slot “Black Ice” 8 Rockers Only, Long Slot “Black Ice” 8 Rockers, Balls and Nuts, Long Slot “Black Ice” 8 Rockers, Balls and Nuts, Long Slot “Black Ice” 8 Rockers, Balls and Nuts, Long Slot “Black Ice” 8 Rockers, Balls and Nuts, Long Slot “Black Ice” 8 Rockers Only, Long Slot “Black Ice” 8 Rockers Only, Long Slot
“Black Ice” is a super-cryogenic hardening/tempering technology optimized for high-performance applications. Sealed Power SEAR826-2 Stock Replacement with Balls and Nuts
3/8" 1.5 2
Speed-Pro
SEAR865R-2
Hi-Performance Stock Replacement with Balls and Nuts, Long Slot
3/8" 1.5 2
Most of these rocker arms are available individually. Replace the -16 at the end of the part number with a -1. Steel Roller Tip Rocker Arms Part No. Description
ELGRK-508
Stud Ratio Qty.
Comp Cams COM1412-16
“Magnum” 8620 Chrome Moly Steel, with Balls and Nuts Roller “Magnum” 8620 Chrome Moly Steel, with Balls and Nuts Roller “Magnum” 88'-Up Self Aligning, with Balls and Nuts “Magnum” 88'-Up Self Aligning, with Balls and Nuts
3/8" 1.52 16 3/8" 1.6 16 3/8" 1.52 16 3/8" 1.6 16
COM1416-16 COM1417-16 COM1418-16
Elgin
ELGRK-840RS
Stamped Steel, Long Slot, with Balls and Nuts
3/8" 1.5 16
Proform
PFM66906C PFM66922
Stamped Steel, Long Slot, with Balls and Nuts Stamped Steel, Long Slot, with Balls and Nuts
3/8" 1.5 16 3/8" 1.6 16
COM1416-16
PRW Industries PQX0835001
4340 Steel Body, Long Slot, with Balls and Rockerlocs 4340 Steel Body, 1987-00 Vortec, Self-Aligning 4340 Steel Body, Long Slot, with Balls and Rockerlocs 4340 Steel Body, 1987-00 Vortec, Self-Aligning 4340 Steel Body, Long Slot, with Balls and Rockerlocs 4340 Steel Body, 1987-00 Vortec, Self-Aligning 4340 Steel Body, Long Slot, with Balls and Rockerlocs
3/8" 1.5 16 3/8" 1.5 16 3/8" 1.6 16 3/8" 1.6 16 3/8" 1.52 16 3/8" 1.52 16 7/16" 1.5 16
PQX0835002 PQX0835004 PQX0835005 PQX0835018 PQX0835019 PQX0835020
Most of these rocker arms are available individually. Replace the -16 at the end of the part number with a -1. Steel Roller Rocker Arms Part No. Description
ELGRK-840RS
Stud Ratio Qty.
Comp Cams COM1601-8
Ultra Pro Mag, Cast 8650, Chrome Moly Ultra Pro Mag, Cast 8650, Chrome Moly Ultra Pro Mag, Cast 8650, Chrome Moly Ultra Pro Mag, Cast 8650, Chrome Moly Ultra Pro Mag, Cast 8650, Chrome Moly Ultra Pro Mag, Twisted Wedge Head, Int. Valve Ultra Pro Mag, 1988 & Later, Self Aligning Ultra Pro Mag, 1988 & Later, Self Aligning Ultra Pro Mag XD, 8650 Steel, Billet Pushrod Seat Ultra Pro Mag XD, 8650 Steel, Billet Pushrod Seat
3/8" 1.52 8 3/8" 1.52 16 3/8" 1.6 16 7/16" 1.52 16 7/16" 1.6 16 7/16" 1.52 8 3/8" 1.52 16 3/8" 1.6 16 3/8" 1.5 16 7/16" 1.5 8
COM1601-16 COM1602-16 COM1604-16 COM1605-16 COM1608-8 COM1617-16 COM1618-16 COM1801-16 COM1804-8
COM1801-16
Most of these rocker arms are available individually. Replace the -16 at the end of the part number with a -1.
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2021-22 ENGINE BUILDER CATALOG
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