KB PERFORMANCE Piston Kit KB266.010.3
Part Number: DS751249KB PERFORMANCE
- SKU:
- DS751249
- UPC:
- 800745061409
- MPN:
- KB266.010
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
Description
If you're building a high-compression engine or restoring a classic with modern performance standards, piston quality directly impacts engine longevity and ring seal efficiency. KB Performance pistons are held to one-gram weight tolerances and half-thousandth-inch concentricity—precision that eliminates piston rock and ensures consistent combustion chamber geometry across your entire build. These hypereutectic aluminum pistons can be installed tighter than conventional alternatives, delivering superior ring seal and reduced blowby without sacrificing durability.
- Material: T-5 heat-treated 390 hypereutectic aluminum
- Weight tolerance: ±1 gram
- Concentricity tolerance: ±0.0005 inches
- Finish: Diamond-machined
- Kit contents: Two pistons
- Includes: Piston pins
- Includes: Spiral-lock pin clips
- Includes: Hastings moly rings
- Installation: Requires tight clearance setup
- Thermal design: Demands precise ring gap
- Advantage: Tighter fit than competitors
- Result: Less piston rock
- Result: Superior ring seal
- Rings available: Sold separately
- Pin locks available: Sold separately
Specs
COMPRESSION RATIO IMPERIAL: |
10.5:1 |
UNITS: |
KIT |
BORE SIZE IMPERIAL: |
3.498' |
PISTON MATERIAL: |
HYPEREUTECTIC ALLOY |
BORE OVERSIZE - IMPERIAL: |
+0.010' |
PRODUCT NAME: |
PISTON KIT |
RIDING STYLE: |
STREET |
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