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#474172-040
Keith Black KB172.040 Chevy 377/400 Flat Top Pistons .040 Over
$449.99
/set
In Stock
Order soon, only 1 left in stock!
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#474172-040
$449.99
/set
In Stock
Order soon, only 1 left in stock!
Quantity
Need Help? Call to Order
Add to a list
Select an engine to verify Fitment
Select Engine
| MFG. Part # | KB172.040 |
| Piston Style | Flat Top w/ 2 valve reliefs |
| Piston Material | Hypereutectic Aluminum |
| Wrist Pin Included | Yes |
| Wrist Pin Style | Press-Fit or Floating |
Need help?
855.313.9176Quick and Easy Returns
Return PolicyKeith Black Hypereutectic pistons are favored for their improved power and reduced scuffing. The unique design & manufacturing processes combine to produce a rigid piston, which will rock less in the bore improving ring seal. These T-5 heat treated pistons also offer reduced thermal expansion, which allows you to run tighter clearances and allows the piston rings to seal better and minimize blow-by.
For Chevy 377 c.i. (4.125" bore x 3.48" stroke x 5.7" rod) and Chevy 400 c.i. (4.125" bore x 3.75" stroke x 5.565").
Charts
474-172 Instructions (PDF)
Ring Style Chart (GIF)
Specs
Guides & Documents
CA WARNING:
Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
| KEY SPECS | |
|---|---|
| MFG. Part # | KB172.040 |
| 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 | 4.165" |
| Stroke | 3.750" |
| Connecting Rod Length | 5.700" |
| Piston Weight | 580 grams |
| Piston Ring Style | A |
| Wrist Pin Diameter | 0.9272" |
| Wrist Pin Weight | 145 grams |
| Top Ring Thickness | 5/64" |
| Second Ring Thickness | 5/64" |
| Oil Ring Thickness | 3/16" |
| Compression 58cc = | 11.5 : 1 |
| Compression 64cc = | 10.7 : 1 |
| Compression 76cc = | 9.4 : 1 |
| GTIN Code | 800745050922 |
| Sold in Quantity | Set |
1 Question • 1 Answer
Will this set work with part #91515383 ? I have a 350 ci, 64cc heads, stock connecting rods ( 5.7" )
by Jeffery
• 13 years ago
1 answer
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1 of 1 questions shown