KB PERFORMANCE Piston Kit KB258.040
Part Number: 09102018KB PERFORMANCE
- SKU:
- 09102018
- UPC:
- 800745060426
- MPN:
- KB258040
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
Description
If you're building a high-performance engine that demands precision and longevity, KB Performance pistons deliver the tight tolerances and superior ring seal that separate championship engines from the rest. These diamond-machined units allow you to run tighter clearances than standard pistons, reducing piston rock and maximizing combustion efficiency while extending component life. Built from premium T-5 heat-treated 390 hypereutectic aluminum, this kit gives you the durability and consistency needed for sustained high-RPM operation.
- Material: T-5 heat-treated 390 hypereutectic aluminum
- Weight tolerance: ±1 gram
- Dimensional tolerance: ±0.0005"
- Machining: Diamond-machined for precision
- Kit includes: Two pistons
- Included: Piston pins
- Included: Spiral-lock pin clips
- Included: Hastings moly rings
- Installation: Requires proper clearance setup
- Advantage: Allows tighter piston fit
- Benefit: Reduced piston rock
- Benefit: Improved ring seal
- Ring gap: Requires attention per instructions
- Replacement rings: Available separately
- MPN: KB258040
Specs
COMPRESSION RATIO IMPERIAL: |
8.6:1 |
PRODUCT NAME: |
PISTON KIT |
RIDING STYLE: |
STREET |
BORE OVERSIZE - IMPERIAL: |
+0.040' |
PISTON MATERIAL: |
HYPEREUTECTIC ALLOY |
BORE SIZE IMPERIAL: |
3.498' |
UNITS: |
KIT |
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