Derale Frame Rail Transmission Fluid Cooler # DER-13220 Rate_Engine They utilize a special wave

They utilize a special wave spring to maintain constant fuel pressure

but also with any aftermarket EFI system that can accept a 0-5 V input for monitoring air/fuel ratios

5" spacer you will want to run SBFL1KIT (or SBFL1WP-A SBFL1CR if ordering separately)

598CI BBC Stroker Crate Engine | Big Block GM Style | Longblock

If you're looking for headers designed for maximum street performance

Derale Frame Rail Transmission Fluid Cooler # DER-13220 Rate_Engine They utilize a special waveDerale Frame Rail Transmission Fluid Cooler # DER 13220 Fluid Cooler, Transmission, Tube and Fin, Aluminum, Copper, 1. 75 in. x 16. 75 in. x 2. 5 in., Each Fluid Cooler Type: Transmission Fluid Overall Height (in.): 1. 750 in. Overall Width (in.): 16. 750 in. Overall Thickness (in.): 2. 500 in. Cooler Construction: Tube and fin Cooler Material: Copper Aluminum Fluid Cooler Inlet Size: 0. 344 in. Inlet Attachment: Hose barb Fluid Cooler Outlet Size: 0.