Detroit Speed Air Conditioning Firewall Blockoff - GM F-Body 1970-81 Bushings and Mounts 1/8 in NPT Female x

1/8 in NPT Female x 1/8 in NPT Female x 1/8 in NPT Female

11/32 in Hose Barb Adapter

780" long Hi-Tech 3/8" diameter pushrods handle the requirements of today's all-out race engines

The mufflers in our Axle-Back systems are tuned for each specific application

Detroit Speed Air Conditioning Firewall Blockoff - GM F-Body 1970-81 Bushings and Mounts 1/8 in NPT Female xDue to vehicle variation, mounting hole modification may be necessary. Product Description: Firewall Blockoff Air Conditioning Steel Natural GM F Body 1970 81 Kit Detroit Speed puts a significant amount of effort into developing long lasting, dependable products that are formulated to exceed late model performance expectations. Our systems are designed by exceptionally qualified engineers and built by fabricators dedicated to making the best systems