ARP Header Stud Kit - 12Pt. - 3/8" x 1.670" OAL (12) Header Fasteners, Studs, External 12-Point, Custom 450, Black Oxide, Chevy, SB 91301 the Engine Diaper comes in

the Engine Diaper comes in either the SFI approved professional style or the original ballistic nylon sportsman style

Quick-release aluminum steering wheel hub mates to a steel coupler

and are fitted with grade 8 hardware

Standard plates are 1/2" thick

/ 550 grams

ARP Header Stud Kit - 12Pt. - 3/8" x 1.670" OAL (12) Header Fasteners, Studs, External 12-Point, Custom 450, Black Oxide, Chevy, SB 91301 the Engine Diaper comes inARP header stud kits facilitate the installation of your headers. Rated at 170 000 psi they're stronger than stock and will last under even the most severe conditions. Each kit includes the specific number of parts required for the desired application plus premium quality washers and either hex or 12 point nuts. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline.