1963-70 Chevy C10, GMC C15 Truck Tubular Upper Control Arms, Pair Shocks These brackets allow for use

These brackets allow for use with HEI ignition setups

1" DD Lower Shaft

PO599U shown in picture

GM 10 or 12 bolt

1963-70 Chevy C10, GMC C15 Truck Tubular Upper Control Arms, Pair Shocks These brackets allow for usePerformance Online's tubular upper control arms are designed specifically for 1963 70 Chevy and GMC lowered truck applications! These were the first modified arms to hit the market back in 2003 and have been going strong ever since. We have increased both the caster and camber dimensions to allow for better alignments and high speed stability. These control arms help reduce the amount of alignment shims needed to obtain a proper alignment and reduce