Schoenfeld - 1.625 to 1.75 in Primary - 3 in Collector - Small Block Chevy (Pair) 1101V-3 NGK No welding - bolts to

No welding - bolts to your roll bars

Excellent mid-range torque

2007 GMC Sierra 1500 HD Classic

Non-wing single bearing birdcages have lowered rear arm connection points

2 port regulators feature a 10 AN O-ring inlet/outlet and return

Schoenfeld - 1.625 to 1.75 in Primary - 3 in Collector - Small Block Chevy (Pair) 1101V-3 NGK No welding - bolts toSchoenfeld Headers 1. 625 to 1. 75 in Primary 3 in Collector Small Block Chevy (Pair) Product Description: Headers 1. 625 to 1. 75 in Primary 3 in Collector Gaskets Hardware Included Steel Black Paint 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