RHS® head stud kits include enough studs, nuts, and washers to completely bolt a pair of cylinder heads onto your block. Dont waste time using OEM style torque-to-yield bolts. For leak free operation, RHS® head studs (or bolts) are the only way to go.
Part Number HSK-12100:
Works with Small Block Chevy 23° cast iron and aluminium cylinder heads
Features 12-Point nuts