Crawford Essential Cylinder Head Service – Subaru Cylinder Head Inspection & Prep

Before you chase power, make sure your foundation is solid. The Crawford Essential Cylinder Head Service is Crawford Performance’s entry-level package, designed to clean, disassemble, and fully inspect your Subaru cylinder heads. From camshaft removal to spark plug crack checks, we ensure your heads are ready for performance upgrades — or let you know if they’re not worth saving.

What’s Included:

• Complete cleaning & disassembly

• Warpage & thickness measurement

• R&R 4 camshafts from the head assembly

• Spark plug hole crack inspection

• Pass/fail evaluation for reuse or upgrade

• Pressure test each cylinder head

This is the first step in the Crawford Essential → Crawford Street Spec → Crawford Club Racer → Crawford Racer Spec ladder. Start here, then decide your path to power with confidence.

Optional Add-Ons:

• Remove and replace 16 valve guides

• Resurface both cylinder heads

• Adjust valves to OEM spec

• Assemble head with heat tab