Page 573 - 2021-22_EngineCatalogAP

ROCKER ARM STUDS AND ADJUSTER NUTS
Rocker Arm Studs - Cont.
Part No.
Description
A
B
C
D
Manley
Professional rocker studs are constructed from 8740 material and feature rolled threads and large radii. Street Master studs are made from Maxalloy steel.
MAN42103-16
SBC/BBC/Ford, Street Series 7/16"-20 Top, 7/16"-14 Bottom (16)
2.550"
.790"
.890"
.870"
MAN42106-16
SBC/BBC/Ford, Street Series 3/8"-24 Top, Bottom (16)
2.560"
.690"
.840"
1.030"
MAN42287-16
SBC 18°, Pro Series, 7/16"-20 Top, 7/16"-14 Bottom (16)
2.850"
.750"
1.300"
.800"
MAN42288-16
SBC With Stud Girdle, Pro Series, 7/16"-20 Top, 7/16"-14 Bottom (16)
2.810"
.740"
1.020"
1.050"
Pioneer
PIORM-348-16
SB Chevy, 3/8"-24 Top, 7/16"-14 Bottom
2.325"
.750"
.840"
1.030"
Part No.
Description
Base Size
Base Length
Stud Size
Stud Length
Milodon
Milodon rocker arm studs are made from 8740 chrome moly steel, heat-treated for strength of 190,000 PSI. Feature large ground radius fillet, machined rolled threads, and black oxide finished. Set of 16.
MIL84287
SB Chevy/Pontiac 7/16"-20" Top, 7/16"-14 Bottom
7/16"
.750"
1.750"
.875"
Mr. Gasket Competition Screw-in
Extra-strength, grade 8 fasteners incorporate class 3 threads and a black-plated finish.
Rocker Arm Stud Bolt Kit
Rocker Arm Adjusters
MRG1074
Part No.
Description
MRG1074
SBC/BBC, 7/16"-20 Top, 7/16"-14 Bottom, 2-7/16" Long (16)
MRG1075
SBC/BBC/SBF, 3/8"-24 Top, 7/16"-14 Bottom, 2-3/8" Long (16)
MRG1076
SBC/ SBF, 3/8"-24 Top, 7/16"-14 Bottom, .470" Long, (no hex base nut) (16)
Part No.
Description
Edelbrock
EDE8597
GM LS GEN III, Rocker Arm Bolt Kit, 8mm x 1.5, 1.770' Long
Part No.
Description
Thread
Shank "C"
Body Dia. "D"
Length "A"
ARP Perma-Loc (Compact 12-point fasteners won’t loosen. Sold in sets of 16)
ARP300-8241
Stamped Steel Rocker
3/8"-24
.650"
.650"
1.200"
ARP300-8242
Stamped Steel Rocker
7/16"-20
.650"
.650"
1.200"
ARP300-8243
Aluminum Rocker
3/8"-24
.600"
.550"
1.200"
ARP300-8244
Aluminum Rocker
3/8"-24
.600"
.600"
1.200"
ARP300-8245
Aluminum Rocker
7/16"-20
600"
.550"
1.200"
ARP300-8246
Aluminum Rocker
7/16"-20
.600"
.600"
1.200"
ARP300-8247
Stud Girdle
7/16"-20
.600"
.750"
1.200"
ARP300-8249
Big Block/Stud Girdle
7/16"-20
.600"
.750"
1.200"/1.485"
Part No.
Description
Stud Size
Comp Cams (Precision ground and tapered. Sold in sets of 16)
COM1400N-16
Rocker Arm Nuts, for Roller-Tip Magnum Rockers, Self-Locking
3/8"
COM1401N-16
Rocker Arm Nuts, for Roller-Tip Magnum Rockers, Self-Locking
7/16"
COM4508-16
Stud Girdle Adjusting Nut
7/16"
COM4509-16
Stud Girdle Adjusting Nut (8) COM4509, (8) COM4509S
3/8"
COM4510-8
Stud Girdle Adjusting Nut, Big Block Chevy Intake
7/16"
COM4514-KIT
Rocker Adjusting Kit for Late Big Block Chevy with Non-Adjustable
7/16"
COM4600-16
Aluminum, Stainless or Pro Magnum Rockers
7/16"
COM4601-16
Aluminum, Stainless or Pro Magnum Rockers
3/8"
COM4602-16
Magnum Polylock
3/8"
COM4603-16
Magnum Polylock
7/16"
COM4600-16
2021-22 ENGINE BUILDER CATALOG 571
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