Sign Up to Get
10% Off Your Next Order!
+ 500 FREQUENT BUYER POINTS
Be among the first to receive Weekly Specials & OPGI News.
10% off restoration parts only. 500 Frequent Buyer Points added after promotional order ships. See welcome email for full details.
Sign up for texts from OPGI, and get all our best offers and more!
By subscribing to OPGI text messaging at 80205, you agree to receive recurring autodialed marketing text msgs (e.g. cart reminders) to the mobile number used at opt-in. Consent is not a condition of purchase. Msg frequency may vary. Msg & data rates may apply. Reply HELP for help and STOP to cancel. See Terms and Conditions & Privacy Policy.
ADDED TO YOUR CART!
Adjusting Nuts, AFR, Stud Girdle, BBC, 7/16"
ADDED TO YOUR WISHLIST!
Air Flow Research offers rocker arm stud girdle replacement nuts designed to accept their double bar stud girdle, while keeping the rocker arms in place. Composed from hardened steel and are available in 3/8" or 7/16" thread sizes for Small-Block and Big-Block engines. Sold as singles or in sets of 8 and 16. Choose the replacement nuts best suited for your application.