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Diamond Pistons Big Block 24/26 Degree Blown Alcohol Series Pistons 12854-8
Part Number: DPP-12854-8
Diamond Pistons Big Block 24/26 Degree Blown Alcohol Series Pistons
Block Alcohol Series - 2000HP Rated - 2618 Material - Includes Pins and Rings
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Estimated Ship Date: Apr 17, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
12854-8
Part Type:
Product Line:
Summit Racing Part Number:
DPP-12854-8
UPC:
686162208081
Piston Rings Included:
Yes
Bore (in.):
4.500 in.
Bore (mm):
114.300mm
Stroke:
4.250 in.
Engine Stroke Type:
Stroked
Rod Length:
6.385 in.
Piston Style:
Dome, with single valve relief
Piston Material:
Forged aluminum
Compression Height (in.):
1.270 in.
Piston Head Volume (cc):
-35.00cc
Wrist Pin Style:
Floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.990 in.
Piston Ring Thickness:
1/16 in. x 1/16 in. x 3/16 in.
File Fit:
Yes
Gapless:
No
Top Ring Thickness:
1/16 in.
Top Ring Material:
Stainless steel
Top Ring Facing Material:
C-23 PVD Chrome
Second Ring Thickness:
1/16 in.
Second Ring Material:
Ductile iron
Second Ring Facing Material:
Ductile iron
Oil Ring Thickness:
3/16 in.
Oil Ring Material:
Stainless steel
Oil Ring Tension:
Standard
Remanufactured:
No
Quantity:
Sold as a set of 8.
Notes:
Pistons are 2618 material. Includes H-13 wrist pins.
Diamond Pistons Big Block 24/26 Degree Blown Alcohol Series Pistons
Diamond Pistons Big Block 24/26 Degree Blown Alcohol Series pistons are available for a variety of applications, including many Chevrolet V-8 engines from 1965-90. Forged from aluminum with single valve relief, these dome-style pistons are offered in different bore, stroke, and rod length sizes—along with several other options. Order individually or in a set of 8.
Additional details:
* Forced pin oilers from the oil ring
* Pin fitted
* 3-D dome and pockets
* Designed for boosted or nitrous applications
* H-13 pins, locks and support rails (if required) included
Applications
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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