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Product Summary

2.3, Flat Top w/ 2 valve reliefs Piston Style

  • Features a T6, heat treated, hypereutectic aluminum construction
  • Engineered to offer reduced scuffing and improved durability
  • They also allow you to run tighter clearances which makes more power
  • Available in 030 and 040 oversize to better for your application
  • Pistons have a flat top design with 2 valve reliefs

Key Specs

MFG. Part #
BrandKeith Black
Wrist Pin IncludedYes
Wrist Pin StylePress-Fit or Floating

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Details

Keith Black hypereutectic pistons are T-6 heat treated and offer reduced scuffing and improved durability. They also allow you to run tighter clearances which makes more power.

Available in .030" and .040" oversizes (stock 3.78" bore x 3.126" stroke). Use ring Style C. Pins included.

Item Details

C/R 60cc: 9.1, C/R 64cc: 8.7
Piston Weight: 542 g
Rod Length: 5.205

Charts

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Specifications

KEY SPECS
MFG. Part #
BrandKeith Black
Wrist Pin IncludedYes
Wrist Pin StylePress-Fit or Floating
GENERAL
Piston StyleFlat Top w/ 2 valve reliefs
Piston MaterialHypereutectic Aluminum
Piston Diameter
Stroke3.126"
Connecting Rod Length5.205"
Piston Weight
Piston Ring StyleC
Wrist Pin Diameter0.9122"
Wrist Pin Weight102 grams
Compression 64cc =8.7 : 1
GTIN Code
NotesThe end gap for a gas unrestricted top ring is 0.0065" per inch of bore the second is 0.004" per inch of bore.
Sold in QuantitySet