Hypercoils Rear Coil Spring - 5.000" ID - 16.000" Tall - 50 lb/in Spring Rate - Blue Powder Coat 931127 and the dividers are pulled

and the dividers are pulled back to increase plenum size and shorten the runners for improved high rpm performance

Length Is Adjustable From 28" To 56"

The next generation of the world's simplest self tuning fuel injection system is here

1991 GMC C2500 CID 454 GAS

Sandwich Adapter type: M

Hypercoils Rear Coil Spring - 5.000" ID - 16.000" Tall - 50 lb/in Spring Rate - Blue Powder Coat 931127 and the dividers are pulledProduct Description: Coil Spring Rear 5 in ID 16 in Length 50 lb in Spring Rate Steel Blue Powder Coat Sold Individually HYPERCOILS because the most important race is the one you are in. Hyperco is a supplier of precision engineered, high performance suspension springs and related components supporting the Motorsports, Street Performance, and Off Road Powersports markets. Our stock and custom suspension products improve the total performance,