Product Information "Nut"
MG: MGA 1500, 1600, 1622, De Luxe and Twin Cam (1955-62) • MGB with 18G to 18GK engines (to October 1971)
Austin Healey: BN4, BN6, BN7, BT7, BJ7 and BJ8 (1956-68)
main bearing cap