Product Summary

  • Designed for the 350 C.I. Chevy Small Block V8 engine with a 4.000" bore and a 3.48" stroke
  • Pistons are made from hypereutectic aluminum and are available in 030, 040, and 060 oversize
  • They weigh only 766 grams each and feature a dome style top
  • Made to work with a 5.7" connecting rod
  • Dome height measures .150" and the wrist pin diameter is 0.9272"
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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 economy (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 350 c.i. (4.000" bore x 3.48" stroke). Does not include piston ring set. Use 5/64", 5/64", 3/16" piston rings (Ring Style A).

Item Details

C/R 58cc=12.7, 64cc=11.6, 76cc=10.1
Piston/Pin Weight: 762 g
Rod Length: 5.7"

Charts

Specs

  • Comp Height 5.7" Rod -  1.565
  • Comp Height 6.0" Rod -  1.265
  • 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"
Stroke3.480"
Connecting Rod Length5.700"
Piston Weight762 grams
Piston Ring StyleA
Wrist Pin Diameter0.9272"
Top Ring Thickness5/64"
Second Ring Thickness5/64"
Oil Ring Thickness3/16"
Compression 58cc =12.7 : 1
Compression 64cc =11.6 : 1
Compression 76cc =10.1 : 1
GTIN Code
Sold in QuantitySet

Ratings & Reviews

5

6 Reviews

Overall Assessment

Customers appreciate the product for its quality and practicality, aligning with descriptions. Notably, its easy installation process has been highlighted, with promising indications regarding its usability. Moreover, the product has been commended for its great value, suggesting high material quality at a reasonable price. Customers are confident about its performance, often choosing our product over competitors. The product stands out for its aesthetics too, earning it high satisfaction levels.

5

6 reviews

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Excellent

5.0

2 years ago

Jake

Tennessee

Verified

Excellent as described

Would Recommend

Excellent

5.0

2 years ago

Jake

Tennessee

Verified

As described

Would Recommend

I would buy again

5.0

5 years ago

Lennie

Kansas City

Verified

It's what they were described as. Went in well. Just waiting to light the fire.

Would Recommend

Product is a great value for the price.

5.0

5 years ago

Chuck

Houston

Verified

I was just what I was looking for.

Would Recommend

great looking product

5.0

10 years ago

j rod

Mckinney, Tx

Verified

I have them installed in the motor but haven't ran yet. Im sure they will work fine

Would Recommend

great product great price

5.0

14 years ago

350 guy

rolla mo

Verified

fastest delivery possible

Would Recommend

Showing 6 of 6 reviews

Questions & Answers

4 Questions • 4 Answers

Will these work with the small block chevy flotek heads and standard deck height on the engine block

by Josh

• 7 years ago

1 answer

Are these compatible with vortex style combustion chambers

by crig

• 8 years ago

1 answer

Kb9904hc and 4749904 is the same piston?

by Martin

• 9 years ago

1 answer

can i order just 1 piston ? thanks

by mike

• 15 years ago

1 answer

4 of 4 questions shown

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