Ray D.
Put this on my Busa and picked up 31 hp on the dyno. Absolutely worth every penny.
Stage 3 Cylinder Head
$899
In Stock
Full Stage 3 port and polish cylinder head with oversized valves, titanium retainers, and race-spec valve springs. Dyno-proven +28 hp gain.
Description
The DragForce Stage 3 Cylinder Head is our most aggressive street and strip head package. Each head is CNC ported and hand-polished to maximize airflow, then fitted with oversized stainless steel valves, titanium retainers, and dual-wound race valve springs. The result is a dyno-proven average gain of 28 horsepower over a stock head on the same engine. Every head ships with a flow sheet documenting intake and exhaust airflow at multiple lift points.
Specifications
- Base Casting OEM / race-prepped
- Valves Oversized stainless steel
- Retainers Titanium
- Springs Dual-wound race springs
- Porting CNC + hand-finished
- Average Gain +28 hp
- Warranty 1-year workmanship warranty
Features
- CNC ported and hand-polished runners
- Oversized stainless valves
- Titanium retainers
- Dual-wound race valve springs
- Ships with individual flow sheet
- Dyno-proven +28 hp average gain
Compatibility
- Suzuki Hayabusa Gen 1 (1999–2007)
- Suzuki Hayabusa Gen 2 (2008–2020)
- Kawasaki ZX-14R (2012–2023)
Racer Reviews
Mike S.
The flow sheet that comes with it is a nice touch. Quality is top notch, fitment was perfect.
Angela W.
Great head, gained about 25 hp on my build. Slightly less than advertised but still very happy.