You require 5 of these high tensile short head studs and they torque to 42lb per sq ft. See also complete kit which includes these top grade studs C-AHT279. 3/8"unc stud with unf end for head nut and is 4" long. See other long head stud CAM150 5.75" long. Cooper S requires head bolt C-AHT281. Also fits a Sprite , MG Midget , and Morris Minor .

These studs can also be used to fix the paper canister filter head to the block.