-18%

KB Claimer Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod

-18%

#4749911

KB Claimer Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod

Name: KB Claimer Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod
Brand: Keith Black
SKU: 4749911
Rating: 5 (6 reviews)

6 Reviews

2 Questions

Pistons feature a T-5 hypereutectic aluminum construction
They have flat style top w/ 2 valve reliefs
Available in 030, 040, and 060 oversize to custom fit your needs

Oversize:

Select a oversize

$314.16

/set

In Stock

$387.85

Save $73.69

Quantity

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Product Summary

Flat Top w/ 2 valve reliefs Piston Style, 3.750" Stroke

Pistons feature a T-5 hypereutectic aluminum construction
They have flat style top w/ 2 valve reliefs
Available in 030, 040, and 060 oversize to custom fit your needs
Set is designed for the Chevy 400 c.i. (4.125" bore x 3.75" stroke)
Can be used with either press fit or floating wrist pins

See more details

Key Specs

MFG. Part #	Select Oversize
Piston Style	Flat Top w/ 2 valve reliefs
Piston Material	Hypereutectic Aluminum
Wrist Pin Included	Yes
Wrist Pin Style	Press-Fit or Floating

See more specs

Need To Know

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855.313.9176

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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 pins and lockrings included).

Set of 8 for Chevy 400 c.i. (4.125" bore x 3.75" stroke). Does not include piston ring set. Use 5/64", 5/64", 3/16" piston rings (Ring Style A).

Item Details

C/R 58cc=12.6, 64cc=11.7, 76cc=10.3
Piston/Pin Weight: 624 g
Rod Length: 5.7"

Charts

KB Claimer Piston Chart (GIF)

Ring Style Chart (GIF)

Specs

Comp Height 5.565" Rod - 1.565
Comp Height 5.7" Rod - 1.433
Pin Diameter - 0.9272

Guides & Documents

Pistons Technical Information (4749911)

Installation Instructions (Keith Black)

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.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Specifications

KEY SPECS
MFG. Part #	Select Oversize to see
Brand	Keith Black
Piston Style	Flat Top w/ 2 valve reliefs
Piston Material	Hypereutectic Aluminum
Wrist Pin Included	Yes
Wrist Pin Style	Press-Fit or Floating

GENERAL
Piston Diameter	Select Oversize to see
Stroke	3.750"
Connecting Rod Length	5.700"
Piston Weight	624 grams
Piston Ring Style	A
Wrist Pin Diameter	0.9272"
Top Ring Thickness	5/64"
Second Ring Thickness	5/64"
Oil Ring Thickness	3/16"
Compression 58cc =	12.6 : 1
Compression 64cc =	11.7 : 1
Compression 76cc =	10.3 : 1
GTIN Code	Select Oversize to see
Sold in Quantity	Set

Ratings & Reviews

6 Reviews

Overall Assessment

Customers highly recommend the product for its quality and affordability. Praised for its excellent craftsmanship, the pistons have been proven to effectively serve user applications. Several reviews emphasize the product's superb performance, highlighting durability and the ability to achieve high compression ratios, exceeding user expectations. The product's supremacy is affirmed by comparisons favoring it over competitors, with many users intending to repurchase. It is noted to be an unbeatable deal, combining quality and value.

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6 reviews

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Great product for the price

5.0

3 years ago

DRH

Arlington Texas 76016

Verified

Fast shipping

Would Recommend

Very good product!

5.0

9 years ago

Junior33

Susanville, Ca

Verified

Very well made for the price. Worked well for my application.

Would Recommend

Excellent pistons fir the money ☆☆☆☆☆

5.0

9 years ago

Kenny

Spencer Va

Verified

Very good quality of pistons. KB and Speedway Motors.. Winner both ways

Would Recommend

kb claimer pistons gets the job done

5.0

9 years ago

street freak

maynardville tn

Verified

i got 12.0 compression on the kb flat top pistons carries the frount wheels 20 feet.cant beat speedway.SPEEDWAY IS THE WAY TO GO GO GO.

Would Recommend

Excellent product

5.0

11 years ago

Sinister Chevelle

OKC OK

Verified

I used these in a SBC 400 .030 over, after completion engine makes right under 450HP and right at 12:1 ratio, these pistons have held up great and went beyond all expectations, would highly recommend and will purchase another set in the future for sure.

Would Recommend

Great pistons

5.0

15 years ago

rangerfan937

Uhrichsville Ohio

Verified

Perfect. Nice piece all the way around Price that cant be beat

Would Recommend

Showing 6 of 6 reviews

Questions & Answers

2 Questions • 2 Answers

Sort Questions

What is the piston volume with the 2 relief cuts. Looking for an accurate compression ratio with them .005 in the hole and a .040 head gasket on a .030 over sbc 400 70cc heads Thanks

by milehigh

• 8 years ago

1 answer

View Answer

Does this include the pins and locks to assemble on the rods or do they need to be purchased separate?

by Trinks

• 10 years ago

1 answer

View Answer

2 of 2 questions shown