Product Summary

  • Pistons feature a T-5 hypereutectic aluminum construction
  • Can be used with either press fit or floating wrist pins (lockrings included)
  • Dome-style top and are available in 030, 040, 060 oversize to custom match your application
  • Designed for the Chevy 383 c.i. engine with a 4.000" bore x 3.75" stroke
  • Dome height measures .150" and they weigh a total of 612 grams each
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Key Specs

MFG. Part #
Piston StyleDome
Piston MaterialHypereutectic Aluminum
Wrist Pin IncludedYes
Wrist Pin StylePress-Fit or Floating
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Need To Know

Quick and Easy Returns

Return Policy

Details

These Keith Black Claimer Pistons (also known as economy pistons) feature coated skirts, wrist pin lockrings and T-5 hypereutectic construction. Can be used with either press fit or floating wrist pins (wrist pin and lockrings included).

Set of 8 for Chevy 383 c.i. (4.000" bore x 3.75" stroke). Does not include piston ring set. Use Ring Style A.

Item Details

C/R 55cc=13.6, 64cc=12.5, 76cc=10.8
Piston/Pin Weight: 612 g
Rod Length: 5.7"

Charts

Specs

  • Comp Height 5.7" Rod -  1.433
  • Comp Height 6.0" Rod -  1.13
  • Pin Diameter -  0.9272

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

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, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. 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
Piston StyleDome
Piston MaterialHypereutectic Aluminum
Wrist Pin IncludedYes
Wrist Pin StylePress-Fit or Floating
GENERAL
Piston Diameter
Dome Height.150"
Stroke3.750"
Connecting Rod Length5.700"
Piston Weight612 grams
Piston Ring StyleA
Wrist Pin Diameter0.9272"
Top Ring Thickness5/64"
Second Ring Thickness5/64"
Oil Ring Thickness3/16"
Compression 58cc =13.6 : 1
Compression 64cc =12.5 : 1
Compression 76cc =10.8 : 1
GTIN Code
Sold in QuantitySet

Ratings & Reviews

5

2 Reviews

Overall Assessment

Customers highly recommend our product for its high-quality and practicality. It was precisely what they've been seeking, particularly for enhancing small block performance to match big ones. The product's usability and material quality stand out, making it a favored choice over competitors. Customers express a desire to repurchase, underlining high satisfaction.

5

2 reviews

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2

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Very satisfied 👍

5.0

4 years ago

Racer Ray

Bryan Texas

Verified

👍👍

Would Recommend

Just what I have been looking for.

5.0

8 years ago

Vince

Lindsay ca

Verified

This piston makes my small block just like my big one thanks. Will most definatly buy again and again.

Would Recommend

Showing 2 of 2 reviews

Questions & Answers

2 Questions • 2 Answers

Can these pistons be used with a 6 inch connecting rod?

by Banjo

• 4 years ago

1 answer

Will these pistons work with a vortec head?

by HEATH

• 9 years ago

1 answer

2 of 2 questions shown

Customer Impersonation Script