Diamond Pistons Big Block 24/26 Degree Street/Strip Dish Series Pistons 12445-8-H

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Part Number: DPP-12445-8-H

$1,502.94

396/454 24° 4.500B/1.395CD/Kit
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Diamond Pistons Big Block 24/26 Degree Street/Strip Dish Series Pistons 12445-8-H

Diamond Pistons Big Block 24/26 Degree Street/Strip Dish Series Pistons 12445-8-H

DPP-12445-8-H

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Part Number: DPP-12445-8-H

Estimated Ship Date: Oct 19, 2026

$1,502.94

Estimated Ship Date: Oct 19, 2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
12445-8-H
Part Type:
Product Line:
Summit Racing Part Number:
DPP-12445-8-H
UPC:
193564384362
Piston Rings Included:
Yes
Bore (in.):
4.500 in.
Bore (mm):
114.300mm
Stroke:
4.500 in.
Engine Stroke Type:
Stroked
Actual Engine Displacement:
9.4L/573
Rod Length:
6.535 in.
Piston Style:
Dish, with single valve relief
Piston Material:
Forged aluminum
Compression Height (in.):
1.395 in.
Piston Head Volume (cc):
+30.00cc
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:
Ductile iron
Top Ring Facing Material:
Plasma-moly
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:
For use on 10.200 in. deck height blocks. Pistons are 2618 material. Includes H-13 wrist pins and oil rail supports.

Diamond Pistons Big Block 24/26 Degree Street/Strip Dish Series Pistons

Diamond Pistons Big Block 24/26 Degree Street/Strip Dish 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 dish-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:

* 1,200 hp rated
* Forced pin oilers from the oil ring
* Pin fitted
* 3-D pockets
* Designed for mild boost applications
* Pins, locks and support rails (if required) included

Applications

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