1971-1974 Pontiac Ventura Stainless Racing Long-Tube Header Exhaust Manifold Y2203 Outer Diameter of Cylinder Skirt:

Outer Diameter of Cylinder Skirt: 93

piston: 4GB-11610-00

1×  90° pagoda type hose join

Fit for Suzuki DRZ400S 2000-2009/2011-2021

1971-1974 Pontiac Ventura Stainless Racing Long-Tube Header Exhaust Manifold Y2203 Outer Diameter of Cylinder Skirt:Feature: 1. Getting more air into your engine and more exhaust out is the key to a performance motor. That's where exhaust headers is significant as the first revenue of an exhaust system. Exhaust performance headers manipulate the air flow with the performance robbing exhaust manifold that came with your car. 2. Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders; thus, the