Crossover Headers 1-3/4 - 1-7/8 Spreadport zzr12 25 in D - Single

25 in D - Single Pass - Driver Side Inlet - Passenger Side Outlet - Automatic Transmission - Aluminum - Black Paint - GM F-Body 1967-69 - Each /

25 to 3 in Pipe Diameter - Hardware / Switch / Wire Harness Included - Aluminum / Stainless - Natural - Kit

061 in Compression Thickness - Multi-Layered Steel - Dodge Cummins - Each

Lumbar Support - Snap-In - Foam - Beige - Each /

Flywheel Counterweight - Steel - Natural - Quarter Master Flywheels - 1-Piece Seal - Chevy - Each

Crossover Headers 1-3/4 - 1-7/8 Spreadport zzr12 25 in D - SingleHeaders Conventional Crossover 1. 75 to 1. 875 in Primary 3. 5 in Collector Gaskets Hardware Included Spread Port Steel Black Paint Small Block Chevy Pair