Control Arm Hardware Rear Silver Aldan American (300421) 1978-1987 Pontiac Grand Prix

This part fits 1978-1987 Pontiac Grand Prix vehicles.
Upgrade your front suspension installation with the Aldan American Upper Control Arm Hardware Kit designed for 19781988 GM G-Body and 19822004 GM S10 applications. This premium hardware kit includes the essential mounting hardware required to properly secure upper control arms during suspension restoration, replacement, or aftermarket performance upgrades.
Engineered for durability and dependable clamping force, this complete kit features high-strength 10.9 flange bolts paired with Grade C flange lock nuts and Grade 8 SAE flat washers for reliable suspension mounting. Whether you are replacing worn factory hardware or installing aftermarket tubular upper control arms, this kit provides the strength and fitment needed for a secure and professional installation.
The zinc-plated hardware finish helps resist corrosion while maintaining a clean appearance for street performance, restoration, and pro-touring builds. Designed to withstand demanding driving conditions, the Aldan American upper control arm hardware kit helps eliminate the hassle of sourcing individual components while improving installation reliability and long-term serviceability.
Compatible with a wide range of classic 78-88 GM G-Body and 19822004 GM S10 pickups and related compact truck platforms using compatible front suspension systems.
Perfect for restorations, lowered suspension applications, handling upgrades, and aftermarket suspension installations, this hardware kit delivers dependable performance for factory and aftermarket upper control arm systems.
Upper Control Arm Hardware Kit Includes:
(4) M12 x 1.75 x 60 mm Class 10.9 flange bolts
(4) M12 x 1.75 Grade C flange lock nuts
(4) 1/2 SAE Grade 8 flat washers
Fits 19781988 GM G-Body applications
Fits 19822004 GM S10 applications
Includes (4) M12 x 1.75 x 60 mm Class 10.9 flange bolts
Includes (4) M12 x 1.75 Grade C flange lock nuts
Includes (4) 1/2 SAE Grade 8 flat washers
High-strength hardware for secure suspension mounting
Zinc-plated finish helps resist corrosion
Works with factory and aftermarket upper control arms
Ideal for restoration and performance suspension upgrades
Designed for GM street performance and handling applications