You have your new, powerful, fully built Subaru Short block, a nice large turbo picked out... And then you realize, your cylinder heads are still stock as a rock. This is where we come into play. It took several tries to get it right, but now that we have the winning combination we are passing our findings on to you.

We offer two different valvetrain options. The first kit utilizes a single spring design and is recommended for an 8000-8500 redline. Our second kit utilizes a dual valve spring design and can handle 9500+ RPMS.

Axis Racing Stage 1 Valvetrain Kit:
- Single Spring Valvesprings
- Titanium Retainers
- New Buckets
- New Shims (Shim Under Bucket Design)
- New Keepers

Axis Racing Stage 2 Valvetrain Kit:
- Dual Spring Valvesprings
- Titanium Retainers
- New Buckets
- New Shims (Shim Under Bucket Design)
- New Keepers