Dynatech 2-1/2 x 4-1/2 Merge Collector Headsock 1979-1981 GMC K3500

1979-1981 GMC K3500

Single Oil Filter Relocation Kit

Studs are shot peened with a special baked-on dry lube

Specially designed to mount a GM Metric D154 series caliper with 5-1/2" bolt spacing to axle tube when using a 11-3/4" diameter brake rotor

Bolt or weld these steel plates to the floor pan as required by most sanctioning bodies when installing roll bars into unibody cars

Dynatech 2-1/2 x 4-1/2 Merge Collector Headsock 1979-1981 GMC K3500Product Description: Collector Slip On Merge 4 x 2 1 2 in Primary Tubes 4 1 2 in Outlet 12 in Long Steel Black Paint Sold Individually Dynatech continues to be the exhaust leader in all forms of racing and high performance applications. You can be assured that you will get all the performance and quality possible from your Dynatech headers.