Headed In The Right Direction
Say you have a short-block, and all you are looking for is a pair of heads to top it off. Once again, Mopar can hook you up. You can buy all-new cast-iron and aluminum cylinder heads for street and strip applications. Each cylinder head is complete with valves, springs seals, retainers, and locks. They're fully prepped and ready to install.

LA Replacement-Style Cast-Iron Cylinder Head Assembly
Part Number P5153533*
* Outflows all production "X" and "J" head castings, right out of the box
* 2.02-inch intake valves; 1.62-inch exhaust valves
* Valvesprings will support up to .525-inch lift
* Chrome-moly retainers
Fits all '67-'91 318, 340, and 360 LA small-block applications, along with current Mopar R3 blocks. Can convert to Magnum-style rockers using Magnum cylinder head conversion components-rocker arm set (P4876050), hydraulic pushrod set (P5007477), and hydraulic tappet set (P4529220AB).

Magnum R/T Cast-Iron Big-Valve Cylinder Head Assembly
Part Number P5153532*
* Outflows all production Magnum heads and many aftermarket heads right out of the box
* 2.02-inch intake valves and 1.62-inch exhaust valves
* Valvesprings will support up to .525-inch lift
* Chrome-moly retainers
Fits all '92 318 and 360 Magnum small-block applications and current Mopar R3 blocks. Uses production Magnum valve gear or Mopar Performance roller rocker arm set P5249800AB (1.6 ratio) or P5007404 (1.7 ratio).

Magnum R/T Cast-Iron Standard-Valve Cylinder Head Assembly
Part Number P5007145*
Perfect replacement for production 5.2L and 5.9L Magnum applications
* Higher air flow and better performance than production Magnum heads
* 1.92-inch intake valves and 1.62-inch exhaust valves
* Valvesprings will support up to .525-inch lift
* Chrome-moly retainers
Fits all '92 318 and 360 Magnum small-block applications and current Mopar R3 blocks. Uses production Magnum valve gear or Mopar Performance roller rocker arm set P5249800AB (1.6 ratio) or P5007404 (1.7 ratio).