KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.005
Part Number: 09106093KB PERFORMANCE
- SKU:
- 09106093
- UPC:
- 800745265739
- MPN:
- KB426C.005
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 3.26 LBS
Description
If you're building a high-revving Twin Cam 88 engine, piston quality directly impacts reliability, ring seal, and longevity under sustained load. KB Performance pistons are precision-engineered to tighter tolerances than standard OEM parts, allowing you to run a more aggressive ring seal while minimizing piston rock—critical for forced induction and high-boost applications. This kit gives you the metallurgical advantage and dimensional consistency that separates a dependable build from one that leaves you stranded.
- Material: T-5 heat-treated 390 hypereutectic aluminum
- Tolerance: ±1 gram weight, ±0.0005" bore-to-bore
- Finish: Diamond-machined, precision-ground
- Kit includes: 2 pistons, wrist pins, spiral-lock clips
- Ring package: Hastings moly rings included
- Installation: Bolt-on, requires torque specifications per manual
- Fitment: Twin Cam 88 only (Harley-Davidson)
- Special notes: Tighter clearance than OEM; read included instructions for ring gap and installation guidance
- Optional: Lock rings (Part #0913-0001, 4-pack)
Specs
PISTON MATERIAL: |
HYPEREUTECTIC ALLOY |
COMPRESSION RATIO IMPERIAL: |
10.5:1 |
PRODUCT NAME: |
PISTON KIT |
RIDING STYLE: |
STREET |
BORE OVERSIZE - IMPERIAL: |
+0.005' |
UNITS: |
KIT |
BORE SIZE IMPERIAL: |
3.750' |
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