Head Stud Kits
Kits come complete with appropriate number of studs, hardened and parallel ground washers, and aerospace quality nuts. Rated 190,000psi tensile strength. Optional Features: 12-Point Nuts - With a reduced wrenching diameter, these nuts
allow the use of larger diameter valve springs which eliminates the
need for valve train removal to facilitate cylinder head retorquing. |
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BMC | |||
Hex Nuts |
12-Point Nuts |
12-Point Nuts U/Cut Studs | Application |
AR206-4201 | A-Series 9 studs | ||
AR206-4202 | B-Series | ||
AR206-4204 | A-Series 11 studs |
BUICK V6 | |||
Hex Nuts |
12-Point Nuts |
12-Point Nuts U/Cut Studs | Application |
AR123-4001 | V6 Stage 1, 1977-85 | ||
AR223-4002 | V6 Stage II, (28PCS) |
V6 CHEVROLET | |||
Hex Nuts |
12-Point Nuts |
12-Point Nuts U/Cut Studs | Application |
AR233-4001 | 4.3L 900 |
CHRYSLER | |||
Hex Nuts |
12-Point Nuts |
12-Point Nuts U/Cut Studs | Application |
AR144-4001 ![]() |
273-360 | ||
AR145-4006 ![]() |
383-440 | ||
AR245-4305 ![]() |
KB Hemi Std. Deck Height 1/2 |
CHRYSLER | |||
Hex Nuts |
12-Point Nuts |
12-Point Nuts U/Cut Studs | Application |
AR144-4001 ![]() |
273-360 | ||
AR145-4006 ![]() |
383-440 | ||
AR245-4305 ![]() |
KB Hemi Std. Deck Height 1/2 |
FORD, BIG BLOCK | |||
Hex Nuts |
12-Point Nuts |
12-Point Nuts U/Cut Studs | Application |
AR155-4001 ![]() |
390-428ci FE Series | ||
AR155-4003 ![]() |
AR155-4203 ![]() |
429-460 385 Series & New 429CJ SVO Alum #6049-A 429 |
HOLDEN | |||
Hex Nuts |
12-Point Nuts |
12-Point Nuts U/Cut Studs | Application |
AR205-4001 | 308 | ||
AR205-4601 | 308 | ||
AR205-4602 | 304 Group A,countersunk stud holes in block |