Speedmaster Mopar Chrysler SB 318 360 170cc 65cc Hydraulic Flat Assembled Cylinder Heads PCE281.2146

The Speedmaster Mopar Chrysler SB 318 360 cylinder heads (model PCE281.2146) are fully assembled, ready-to-install heads engineered for small-block Chrysler engines. Featuring 170cc intake and 65cc combustion chambers with hydraulic flat valve configuration, these heads deliver consistent performance and reliability for engine rebuilds, swaps, and upgrades.

Designed as a direct bolt-on solution for 318 and 360 displacement engines, these assembled cylinder heads eliminate the need for separate component sourcing and complex machining. The hydraulic lifter compatibility and flat-top design provide excellent flow characteristics and straightforward installation. Whether you're restoring a classic Mopar, upgrading an existing engine, or building a performance platform, Speedmaster's quality construction ensures dependable power delivery and long-term durability.

Key Features & Benefits

• Fully Assembled: Ready-to-install cylinder heads with all internal components pre-assembled.
• 170cc/65cc Design: Optimized chamber volumes for SB 318 and 360 engine applications.
• Hydraulic Flat Configuration: Compatible with hydraulic lifter systems for reliable valve operation.
• Direct Bolt-On Fit: Engineered as a direct replacement for Mopar SB 318/360 cylinder heads.
• Speedmaster Quality: Factory-assembled construction for consistent performance and reliability.

Specifications

Ideal Applications

• Engine rebuilds and restoration on Mopar Chrysler 318/360 vehicles
• Small-block Chrysler engine swaps and upgrades
• Performance engine builds requiring quality assembled heads
• Classic car and muscle car engine restoration projects