ARP Stainless Steel Valve Cover Bolt Kit - 12-Point - Cast Aluminum Covers - 1/4"-20 Thread - Set of 8 500020156 120 psi Max

120 psi Max

Secure electrical wiring

Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency

Signle Eyeport

1992-1997 Mercury Grand Marquis

ARP Stainless Steel Valve Cover Bolt Kit - 12-Point - Cast Aluminum Covers - 1/4"-20 Thread - Set of 8 500020156 120 psi MaxTo ensure proper sealing of valve covers, ARP manufactures a variety of special application specific bolt and stud kits. Many professional engine builders prefer to use studs because of their ability to properly position the gasket and guide the cover into position. ARP offers studs and bolts in a choice of chrome moly steel with a black oxide finish or stainless steel. You have a choice between conventional hex head bolts and nuts or compact, easy