As seen on
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.
Bolts and studs are essential fasteners used to secure many components on your 1966 Eldorado. These threaded fasteners help keep parts properly mounted and aligned, ensuring reliable assembly and long-term durability throughout the vehicle. OPGI offers twenty-five Bolts & Studs designed to fit your vehicle correctly. From mounting bolts and engine fasteners to threaded studs and related hardware, you’ll find quality parts from trusted brands including RESTOPARTS, ARP and Edelbrock to help support repairs, maintenance, and restoration projects. Every purchase is backed by our Price Match Guarantee. Plus, with OPGI’s 60-day return policy, you can shop confidently when selecting parts for your 1966 Eldorado. Orders ship quickly, or you can visit our Southern California showroom to see select components in person.
Find parts that fit your vehicle