SBC Modified Header Long Tube Crate 1-5/8inx1-3/4 1971-chevrolet-k20-suburban-esi4144539 Powerful magnets are embedded in

Powerful magnets are embedded in a 3/8" thick aluminum trigger wheel that will send your EFI a clean signal for every firing

650 in Valves - 225 cc Intake - 60 cc Chamber - Aluminum - Ford Cleveland / Modified - Each

Hose Clamp - Band - Push Lock Clamp - Ten Each 4 AN / 6 AN / 8 AN / 10 AN / 12 AN - Stainless - Natural - Set of 50

Fitting - Hose End - 150 Degree - 6 AN Hose to 6 AN Female Swivel - Aluminum - Black Anodized - Each

Nitrous Micro Switch - Bracket Included - Universal - Kit

SBC Modified Header Long Tube Crate 1-5/8inx1-3/4 1971-chevrolet-k20-suburban-esi4144539 Powerful magnets are embedded inHeaders Dirt Late Model 1. 625 to 1. 75 in Primary 3 in Collector Gaskets Hardware Included Steel Black Paint Small Block Chevy Pair