Complete Hardware Kit – Includes four factory-style upper control arm bolts with matching self-locking nuts for a proper, secure installation Exact Fitment Details – Compatible with 1964-72 Chevelle, 1967-69 Camaro, and 1968-74 Nova upper A-arm assemblies Precision Knurl Specs – Each bolt features a 0.125" knurl length and 0.469" knurl diameter for accurate OE-style engagement Durable Steel Construction – High-quality steel bolts provide long-lasting strength for restoration, repair, or suspension upgrades Correct Dimensions – Bolts measure 2.50" in overall length with a 7/16"-14 thread size for direct replacement of original hardware FCompatible with Rame bolts and nuts for upper A-Arms. Includes 4 correct bolts with nuts. Upper control arm hardware kit. 8 piece kit. 0.125" knurl length. 0.469" knurl diameter. Includes 4 correct bolts with self-locking nuts. For 1968-74 Nova; 67-69 Camaro; 64-72 Chevelle.