Schoenfeld - 1.75 to 1.875 in Primary - 3.5 in Collector - 18 Degree Head - Small Block Chevy (Pair) 3.1171R Also features a loud front-firing

Also features a loud front-firing speaker and an earphone jack for additional headset or ear piece accessory options

8 Liter Naturally Aspirated GASVehicle Applications: 1986-1996 Ford Bronco 5

new smaller case

Made of Energy's Hyper-Flex(TM) performance polyurethane for added performance and durability

13/16"-16 Thread Size

Schoenfeld - 1.75 to 1.875 in Primary - 3.5 in Collector - 18 Degree Head - Small Block Chevy (Pair) 3.1171R Also features a loud front-firingProduct Description: Headers 1. 75 to 1. 875 in Primary 3. 5 in Collector Gaskets Hardware Included Steel Black Paint 18 Degree Head Small Block Chevy Pair Founded in 1974, Schoenfeld Headers is the largest circle track header manufacturer in the world. Schoenfeld Headers is the manufacturer of competition headers, mufflers and exhaust systems. Schoenfeld Headers listen to their customers, understanding your needs and giving you a quality product at a