Page 539 - 2022-23 Auto Performance Drag Racing
P. 539
Competition Wheel Studs
Grade 8 press-in wheel studs are extra long for competition use and are plated for corrosion resis- tance. Use with open-end lug nuts. NHRA/IHRA approved. 10 per set.
Part No. Description Stud Dia. Knurl
Bullet Tip Carburetor Stud Kits
MRG4310G Drill Hole
DRAG RACING
Intake Manifold Bolts
Zinc-plated bolts are sold with large flat washers to which provide uniform clamp- ing with aluminum intake manifolds. Choose from grade 5 hex-head, grade 5 socket-head, or grade 8 12-point bolts.
MRG4310G
7/16"-20 x 2-5/8", 1963-75 Chevy
.480"
.469"
MRG4311
1/2"-20 x 2-7/8", Chrysler, Ford Most with 1/2" Studs
.665"
.641"
Part No.
Super Intake Manifold Bolts
Description
Hex Head Grade 5
MRG954G
3/8"-16 x 1-1/4", 16 Bolts and Washers, Fits BB Chevy
MRG955G
3/8"-16 x 1", 12 Bolts and Washers, Fits SB Chevy/Chrysler/AMC
MRG958G
5/16"-18 x 2", 12 Bolts and Washers, Fits SB Ford
Socket Head Grade 5
MRG956G
3/8"-16 x 1", 12 Bolts and Washers, Fits SB Chevy/Chrysler/AMC
MRG957G
3/8"-16 x 1-1/4", 16 Bolts and Washers, Fits BB Chevy
12-Point Head Grade 8
MRG6091
3/8"-16 x 1", 12 Bolts and Washers, Fits SB Chevy/Chrysler/AMC
MRG6093
3/8"-16 x 1-3/4", 4 Bolts and Washers, 3/8"-16 x 1-1/4", 12 Bolts and Washers, Fits BB Chevy, Single Plane Manifolds
Studs have a 3/16" hex bullet tip for easy installation and pre- vention of cross-threading. Studs are black oxide and hex nuts are cadmium plated to resist corrosion. Sets of four, with hex nuts and washers.
Part No. Description
Carburetor Studs
MRG6345G
Black oxide-finished grade 5 fasteners
feature a wide washer-faced hex head to spread clamping loads and allow precise torquing. Included extra-thick flat washers prevent galling of aluminum intake manifolds.
Part No. Description
MRG6345G
Carburetor Stud Kit, 5/16"-18 x 1-1/2" Long
MRG6346G
Carburetor Stud Kit, 5/16"-18 x 2" Long
Zinc-plated studs help prevent stripped threads in aluminum intake manifolds. Holds the gasket in place to ease carb installation. Threaded 5/16"-18 at one
end and 5/16"-24 at the opposite end.
Includes four studs, nuts, and washers.
Part No. Description
Harmonic Balancer Bolt and Washer Kits
Heat-treated Grade 8 bolts have high hex heads to prevent socket slippage when rotat- ing the engine, while degreeing the cam, or setting the valves. An extra-thick, parallel- ground washer provides more uniform torque. Includes split lock washer. Offered with black oxide or gold zinc dichromate finish.
Description Gold Zinc Part No.
Valve Cover Stud Kits
Bullet tip helps locate valve cover gaskets and eases nut installation. Studs are black oxide and hex nuts are cadmium-plated to resist corrosion.
Part No. Description Sure-Lock Rocker Arm Nuts
16 heat-treated, plated steel rocker arm nuts prevent loose rocker arms and include socket-head set screws and a hex key wrench.
MRG59
Black Oxide Part No.
Hex Head Header Bolts
Grade 5 bolts have a smaller-than-standard 7/16" hex head for easier header installa- tion, especially in tight places. Washer-faced bolts have protective black finish.
MRG6080
3/8"-16 x 1-1/16", 12 Bolts and Washers, Fits SB Chevy/Chrysler/AMC
MRG6081
3/8"-16 x 1-1/4", 16 Bolts and Washers, Fits BB Chevy
MRG6082
5/16"-18 x 2", 12 Bolts and Washers, Fits SB Ford
MRG59
Standard 1-3/8" Length
MRG60
Medium 1-1/2" Length
MRG61
Long 2" Length
MRG62
Extra Long 2-1/2" Length
Part No.
Stainless Steel Header Bolts
Description
MRG915
3/8"-16 x 3/4", 12 Pcs.
MRG915A
3/8"-16 x 3/4", Bulk Packaged 100 Pcs.
MRG917
3/8"-16 x 1", 12 Pcs.
MRG917A
3/8"-16 x 1", Bulk Packaged 100 Pcs.
MRG918G
GM LS, M8-1.25 x M25, 12 Pcs.
MRG919G
3/8"-16 x 3/4", 16 Pcs.
MRG976
5/16"-18 x 3/4", Fits Mopar and Hooker Headers with Adapter Plates, 14 Pcs.
MRG3409
3/8"-16 x 3/4", 3/8" Min. Hex Head, 12 Pcs.
MRG3420G
3/8"-16 x 3/4", Combination Hex and Socket Head, 12 Pcs.
SB Chevy 265-400, 7/16"-20 x 2-1/4"
MRG945G
MRG7845
BB Chevy 396-454, 1/2"-20 x 1-1/2"
MRG946G
MRG7846
Ford, All V8 Exc. 351C, 5/8"-18 x 2"
—
MRG7847
MRG2210G
Stainless Header Bolts, 3/8"-16 x 3/4" Long, 12 Pcs.
MRG2211G
Stainless Header Bolts, 3/8"-16 x 3/4" Long, 16 Pcs.
MRG6324
1/4"-20/28 x 1-1/8" Long, 8 Pcs.
MRG6329
1/4"-20/28 x 1-1/2" Long, 8 Pcs.
MRG916
SB Chevy, BB Chrysler (exc. Hemi), AMC, Pontiac and Olds, 3/8"- 16 x 3/4" Long, 12 Pcs.
MRG3411
SB Chrysler, 5/16"-18 x 3/4" Long, 12 Pcs.
Part No.
Application
Shank OD Stud
Durable stainless steel header bolts resist rust and corrosion. Compact bolt head and flange is ideal where space is minimal.
Part No. Description Socket-Head Header Bolts
Ideal where space is limited, socket-head bolts ease header installation. Black oxide finished.
Part No. Description
Header Bolt Lock Washers MRG3416
Black oxide finished, 3/8" lock washers prevent header bolts from loosening and help maintain fastener clamping load. Fits most V8’s. Pack of 12.
Stock Rocker Arms
MRG920G
SBC 262-400, SB Ford 289-351W, Pontiac
.603"
3/8"
Aluminum Roller Rocker Arms
MRG923G
SBC 262-400, SB Ford 289-351W, Pontiac
.540"
3/8"
MRG924G
BBC 396-454, Pontiac, HD
.544"
7/16"
537
2022-23