SPC Performance

The unique patented design features the most adjustment and highest clearance available to update the front suspension of any '84-'96 C4 Corvette. SPC uses a stock ball stud for optimal performance...

This unique, patented design provides the most adjustability and best clearance of any arm available for the popular '63-'70 GM C10 applications. Sold as a pair, these forged steel adjustable arms...

This unique, patented design provides the most adjustability and best clearance of any arm available for the many popular '71-'91 GM Pickup and SUV applications. Sold as a pair, these forged steel...

This unique, patented design provides the most adjustability and best clearance of any arm available for the classic Tri-Five Chevy applications. Sold as a pair, these forged steel adjustable arms...

This unique, patented design provides the most adjustability and best clearance of any arm available for the '63-'82 GM Corvette and '65-'70 Impala applications. Sold as a pair, these forged steel...

This unique, patented design provides the most adjustability and best clearance of any arm available for the many '58-'64 classic Chevy applications. Sold as a pair, these forged steel adjustable...

This unique, patented design provides the most adjustability and best clearance of any arm available for the many popular '78-'87 GM 'A/G' Body and S10 platform applications. Sold as a pair, these...

This unique, patented design provides the most adjustability and best clearance of any arm available for the many popular '70-'81 GM 'F' Body and additional applications. Sold as a pair, these forged...

This unique, patented design provides the most adjustability and best clearance of any arm available for the many popular '67-'69 GM 'F' Body and later '68-'74 'X' Body applications. Sold as a pair,...

This patented design will give you the most adjustability and best clearance of any arm on the market. Sold as a pair, these adjustable arms come with ball studs that are 1/2" taller than stock to...

Product appearance and features may vary in the market as design changes, improvements and modifications are implemented.

With SPC's rebuild kit you can replace the ball joint. Includes: Ball joint boot, ball stud, ball joint race, washer, wave spring, castle nut and cotter pin. For ease of removing the old ball joint...

With SPC's rebuilt kit you can replace the ball joint or customize the stud length for ride height altered vehicles. Taper: 9.5deg, Stud Length: +0.25" over OE. Includes: Ball joint boot, ball stud,...

With SPC's rebuilt kit you can replace the ball joint or customize the stud length for ride height altered vehicles. Taper: 7.12deg, Stud Length +0.25" Over OE. Includes: Ball joint boot, ball stud,...

With SPC's rebuilt kit you can replace the ball joint or customize the stud length for ride height altered vehicles. 9.5deg Taper - Stud Length +0.25" Over OE. Includes: Ball joint boot, ball stud,...