Key Specs

MFG. Part #KB378KTM.020
Piston StyleDish Top w/ 2 Valve Reliefs
Piston MaterialHypereutectic Aluminum
Wrist Pin IncludedYes
Wrist Pin StylePress-Fit or Floating
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Keith Black KB378KTM.020 Details

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.

Keith Black KB378KTM.020 Specifications

KEY SPECS
MFG. Part #KB378KTM.020
BrandKeith Black
Piston StyleDish Top w/ 2 Valve Reliefs
Piston MaterialHypereutectic Aluminum
Wrist Pin IncludedYes
Wrist Pin StylePress-Fit or Floating
GENERAL
Stroke3.98"
Connecting Rod Length6.490"
Wrist Pin Diameter0.975"
Piston Rings IncludedYes
Top Ring Thickness5/64"
Second Ring Thickness5/64"
Oil Ring Thickness3/16"
Bore Size4.150"
Compression Height1.673"
Piston Head Volume28

Questions & Answers

Fitment

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