Dynatech Turndown - 3.0" Jaw Rebuild Kit Essential for ensuring seat and

Essential for ensuring seat and open pressures or calculating coil bind

1978-1991 Mercury Grand Marquis

165" Valve Pocketed Gasket Bore

875 in Tall

Hydration Hole/Plug Front and Center in Chin Bar with easy set up

Dynatech Turndown - 3.0" Jaw Rebuild Kit Essential for ensuring seat andMild steel turndowns have expanded ends to slip over your exhaust pipe or collector end. Product shown with ceramic coating applied (not included). 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. Product Description: Exhaust Tip Slip On 3 in Diameter 9 3 4 in Long Single Wall Cut Edge Angled