Mild steel exhaust reducer to repair or build your own exhaust system. The swedge for the reduction occurs midway at 2-1/4”.
These copper collector gaskets are embossed port ridge for a perfect seal. Cure the "leaky header blues" with these copper exhaust gaskets. Die cut and dead soft. Constructed of the finest .041 copper material and will seal where most gaskets fail. Include stainless steel fasteners. Reusable.
Leave it to Percy to come up with a header bolt that won't come loose when it counts. These bolts have a 3/8" 12-point head for added clearance and once tight, you use a 1/8" hex key to lock in place. They are easy to remove if needed but won't shake loose.