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#4749903
KB Claimer Chevy 350 Hypereutectic Pistons, .465 Dome, 5.7 Rod
- Pistons feature a T-5 hypereutectic construction
- Intended for Small Block Chevy 350 c.i. engines (4.000" bore x 3.48" stroke)
- Available in 030, 040, and 060 oversize to custom fit your needs
$359.51
/set
In Stock
$443.84
Save $84.33
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Product Summary
- Pistons feature a T-5 hypereutectic construction
- Intended for Small Block Chevy 350 c.i. engines (4.000" bore x 3.48" stroke)
- Available in 030, 040, and 060 oversize to custom fit your needs
- Also features coated skirts and wrist pin lockrings
- Dome-style top and weigh only 778 grams
Key Specs
| MFG. Part # | Select Oversize |
| Piston Style | Dome |
| 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 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=14.9, 64cc=13.5, C/R 76cc=11.3
Piston/Pin Weight: 778 g
Rod Length: 5.7"
Charts
KB Claimer Piston Chart (GIF)
Ring Style Chart (GIF)
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.
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 | Dome |
| Piston Material | Hypereutectic Aluminum |
| Wrist Pin Included | Yes |
| Wrist Pin Style | Press-Fit or Floating |
| GENERAL | |
| Piston Diameter | Select Oversize to see |
| Dome Height | .465" |
| Stroke | 3.480" |
| Connecting Rod Length | 5.700" |
| Piston Weight | 778 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 = | 14.9 : 1 |
| Compression 64cc = | 13.5 : 1 |
| Compression 76cc = | 11.3 : 1 |
| GTIN Code | Select Oversize to see |
| Sold in Quantity | Set |
Ratings & Reviews
5
5 Reviews
Customers appreciate the pistons for their exceptional quality and affordability. Users confirmed that these pistons work perfectly with specific camshafts, enhancing engine performance. They praised them for contributing significantly to the power and sound of their builds. Many customers noted they would repurchase thanks to the pistons' practical benefits. Their fine blend of quality and cost-effectiveness was specifically highlighted.
Ratings & Reviews
5
5 Reviews
Customers appreciate the pistons for their exceptional quality and affordability. Users confirmed that these pistons work perfectly with specific camshafts, enhancing engine performance. They praised them for contributing significantly to the power and sound of their builds. Many customers noted they would repurchase thanks to the pistons' practical benefits. Their fine blend of quality and cost-effectiveness was specifically highlighted.
5
5 reviews
5
5
4
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Filter by Ratings
Just what I needed
5.0
3 years ago
11x
Mn
Verified
Pistons were on a Black Friday sale and on a budget motor they're going to be perfect.
Would Recommend
I would buy this piston again
5.0
4 years ago
South 81 Racing
Moorhead MN
Verified
Perfect pistons for the camshaft I'm running
Would Recommend
your product is100% great q uality .lowest prices
5.0
6 years ago
Bucky
portage wi
Verified
used in all of my engines .enough said
Would Recommend
I would buy these again and again
5.0
8 years ago
Prill
Bad axe mi
Verified
Good affordable pistons
Would Recommend
great
5.0
15 years ago
Chevymudtruck
Newport News
Verified
Love these pistons, got the motor built runs great sound great, plenty of power
Would Recommend

Showing 5 of 5 reviews
Questions & Answers
6 Questions • 6 Answers
Questions & Answers
6 Questions • 6 Answers
Will a 2.08 valve clear with this piston?
by Mudjunkee
• 4 years ago
1 answer
View Answer
Will these piston hold up in a drag race environment
by Zip
• 8 years ago
1 answer
View Answer
will there be clearance issues with a 64cc chamber?
by j
• 8 years ago
1 answer
View Answer
do these come with pins? Thanks
by casey
• 10 years ago
1 answer
View Answer
You stated this piston will not work with a 6 inch rod but you did not answer the whole question. Will it work with a 3.75 crank or must a 3.50, 3.48 be used?
by Greg
• 10 years ago
1 answer
View Answer
can this piston be used with a 6 inc rod i am building a 350 block with an 3.75 stroke crank and 6.0 rod with a piston 4.030 and 13 plus compression. will this piston work. K&B 4749903.030 ??
by novanateter
• 11 years ago
1 answer
View Answer
6 of 6 questions shown

