HEADER,BBC,1 7/8",68-74 GM CAR,LONG TUBE,3 1/2",BLACK Wilwood Subaru Front Disc Brake Kits Parts 1/4"-20 X 1-3/8" (4-1/4" LONG)

1/4"-20 X 1-3/8" (4-1/4" LONG)

TWO POSITION

ACCEPTS 7" TO 16" SPRINGS

1965-1970 Bel Air with 396-454ci Engine

No Pushrod (Part #300-8063)

HEADER,BBC,1 7/8",68-74 GM CAR,LONG TUBE,3 1/2",BLACK Wilwood Subaru Front Disc Brake Kits Parts 1/4"-20 X 1-3/8" (4-1/4" LONG)Brand New Pair of Southwest Speed Painted Flat Black Long Tube Headers for 1968 1974 Big Block Chevy 396 502ci Engines (Part #440 2413). These Southwest Speed Long Tube Headers feature 1 7 8" primaries flowing into 3 1 2" collectors, with a pair of 3 1 2" to 2 1 2" reducers included for flexible exhaust routing. The S. A. P. port shape is designed to deliver more performance and better fuel mileage compared to stock manifolds. Each set comes complete