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#4749911
KB Claimer Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod
- 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
$298.64
/set
In Stock
$387.85
Save $89.21
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
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 |
Need To Know
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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
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Specifications
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
5
6 Reviews
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.
Ratings & Reviews
5
6 Reviews
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.
5
6 reviews
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6
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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
8 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
10 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
14 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
