
PAIR OF MACE REMANUFACTURED CYLINDER HEADS TO SUIT HOLDEN L67 SUPERCHARGED 3.8L V6
Mace remanufactured L67 cylinder heads, including valves and springs.
These cylinder heads have gone through a 7-point inspection prior to shipping and meet or exceed OEM specifications.
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Key Features:
- Cylinder heads are cleaned and inspected.
- Media blasted to remove all foreign materials.
- Magnafluxed for cracks.
- Pressure tested before assembly.
- Valve guides meet original OEM specifications.
- Valve seats are 3 angled machined.
- Cylinder head decks are machined with high speed mill.
- Valve springs are tested and replaced as needed to meet OEM specifications.
- New viton seals are installed to meet current OEM specification for high heat resistance.
- Valves and seats are vacuum tested after assembly.
- Cylinder heads are ready to install.
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Contents:
- 2 X Cylinder head
Vehicle Fitment Guide

Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Mace remanufactured L67 cylinder heads, including valves and springs.
These cylinder heads have gone through a 7-point inspection prior to shipping and meet or exceed OEM specifications.
Â
Key Features:
- Cylinder heads are cleaned and inspected.
- Media blasted to remove all foreign materials.
- Magnafluxed for cracks.
- Pressure tested before assembly.
- Valve guides meet original OEM specifications.
- Valve seats are 3 angled machined.
- Cylinder head decks are machined with high speed mill.
- Valve springs are tested and replaced as needed to meet OEM specifications.
- New viton seals are installed to meet current OEM specification for high heat resistance.
- Valves and seats are vacuum tested after assembly.
- Cylinder heads are ready to install.
Â
Contents:
- 2 X Cylinder head
Vehicle Fitment Guide













