Page 574 - 2021-22_EngineCatalogAP

ROCKER ARM ADJUSTER NUTS
Rocker Arm Adjusters - Cont.
Part No.
Description
Stud Size
Comp Cams (Precision ground and tapered. Sold in sets of 16)
COM4604-16
High Energy Polylock
3/8"
COM4610-16
Rocker Adjusting Kit for Small Block Ford with Non-Adjustable Rockers
5/16"
COM4654-16
Rocker Arm Nuts, GM LS1 for Pro Magnum Rockers
3/8"
Individual Adjusting Nuts
COM4508-1
Stud Girdle Adjusting Nut
7/16"
COM4508S-1
Stud Girdle Adjusting Nut with Snap Ring
7/16"
COM4509-1
Stud Girdle Adjusting Nut, Black Oxide
3/8"
COM4510-1
Stud Girdle Adjusting Nut
7/16"
COM4600-1
Hi-Tech Polylock, Pro Magnum
7/16"
COM4601-1
Hi-Tech Polylock, Pro Magnum
3/8"
COM1400N-16
Steel Rocker Arms
Available in traditional self-locking design, or Kool Nut, which deflects oil to the pivot. Sold in sets of 16.
Part No.
Description
Stud Size
Crane Cams
CRN99768-16
Kool Nut, Counterbored for Bottleneck Studs
3/8"-24
CRN99769-16
Kool Nut, Counterbored for Bottleneck Studs
7/16"-20
CRN99770-16
Self-Locking
3/8"-24
CRN99771-16
Self-Locking
7/16"-20
CRN99772-16
Self-Locking
5/16"-24
CRN99769-16
Aluminum Roller Rocker Arms
Engineered for use with Crane roller-tip needle-bearing aluminum rocker arms. Sold in sets of 16.
Part No.
Description
Stud Size
Crane Cams
CRN99788-16
.550" Min. Rocker Slot Width, 1.063" Tall
3/8"-24
CRN99790-16
.550" Min. Rocker Slot Width, .922" Tall
7/16"-20
CRN99792-16
.600" Min. Rocker Slot Width, .969" Tall
7/16"-20
Dart Machinery
DRT64210210
Stud Girdle Intake Adjusting Nut, Big Block Chevy Long, Each
7/16"
ProForm (Designed to fit most extruded roller rocker arms without stud girdle. Sold in sets of 16.)
PFM66935
Poly Locks for Aluminum Rockers .550" O.D.
3/8"-24
PFM66936
Poly Locks for Aluminum Rockers .550" O.D.
7/16"-20
Made of heat-treated, quality steel. Rocker nuts available for use with steel and aluminum rocker arms. Sold in sets of 16.
CRN99788-16
Sure-Lock Rocker Arms
Part No.
Description
Shank O.D.
Stud Size
Mr. Gasket
For Steel Rocker Arms
MRG920G
Small Block Chevy, Small Block Ford, Pontiac
.603"
3/8"
For Aluminum Rocker Arms
MRG923G
Small Block Chevy, Small Block Ford, Pontiac
.540"
3/8"
MRG924G
Big Block Chevy, Pontiac
.544"
7/16"
MRG920G
572 2021-22 ENGINE BUILDER CATALOG
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