MISSING NUT TRW 44179K Aluminum Roller Rocker Arm - 1.6 Ratio For Chevrolet SBC

TRW 44179K-INC. Condition: New - Other.
Interchange: RR-7002R
missing nut
1.6 Ratio
Rocker Arm Kit
Interchanges With Speed Pro RR-7002R
Requires 3/8'' screw in stud