Crawford Essential Subaru Cylinder Head Service | Inspection & Prep

Before you chase power, make sure your foundation is solid with a thorough head inspection. 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 hole crack checks, we help determine whether your heads are ready for performance upgrades — or whether they’re not worth saving.

• 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.

Our cylinder head inspection process is designed to help identify common concerns such as warpage, cracks, and serviceability before additional engine work is performed. It also supports planning for related services like valve work, cylinder head reface, or other performance upgrades when your heads qualify for reuse.

Optional Add-Ons:

• Remove and replace 16 valve guides
• Resurface both cylinder heads
• Adjust valves to OEM spec
• Assemble head with heat tab