Speedmaster Mopar Chrysler SB 318 360 170cc 65cc Hydraulic Roller Assembled Cylinder Heads PCE281.2149

The Speedmaster PCE281.2149 is a fully assembled cylinder head solution designed for Mopar Chrysler small-block 318 and 360 engines. These heads feature 170cc intake and 65cc exhaust chambers, paired with hydraulic roller valve train compatibility for reliable, maintenance-free operation. The complete assembly arrives ready for installation, eliminating the need for sourcing individual components and reducing build time on your engine project.

These cylinder heads are engineered for both stock restoration and performance-oriented small-block builds. The hydraulic roller design provides consistent valve actuation and reduced wear compared to flat-tappet alternatives, making them ideal for street applications, hot rods, and classic car restorations. The 170cc chamber size supports efficient breathing while the 65cc exhaust configuration maintains proper scavenging. Installation is straightforward on compatible 318 and 360 block assemblies, and the pre-assembled design ensures quality control and proper valve geometry from the factory.

Key Features & Benefits

• Hydraulic Roller Design: Hydraulic roller valve train offers consistent actuation and reduced maintenance compared to conventional flat-tappet setups.
• 170cc Intake / 65cc Exhaust: Chamber sizing supports efficient intake flow and proper exhaust scavenging for small-block performance.
• Fully Assembled: Arrives complete and ready to install, eliminating separate component sourcing and assembly work.
• Mopar SB 318/360 Fitment: Engineered specifically for Chrysler small-block 318 and 360 engines.

Specifications

Ideal Applications

• Chrysler 318 and 360 engine rebuilds and restorations
• Hot rod and street rod small-block builds
• Classic car engine performance upgrades
• Original-equipment-style cylinder head replacement