PML's Jeep valve cover for the 258 (4.2 liter) Straight 6 engine were designed based on the original valve cover as it came from the factory. We use sand-cast aluminum construction to provide strength and durability and a cast-in baffling system. The gasket flange is precision-machined and 0.200-inch thick for a uniform clamping force on the gasket.
Jeep 258 Cu. In./4.2 Liter 6 Cylinder Valve Cover PML's Jeep valve cover for the 258 (4.2 liter) Straight 6 engine were designed based on the original valve cover as it came from the factory. Part Number: 8656AC Price: $240.00 $228.95