Diamond Pistons Big Block 24/26 Degree Street Dome Series Pistons 12248-8-H

Name: Diamond Pistons Big Block 24/26 Degree Street Dome Series Pistons
Brand: Diamond Pistons
SKU: DPP-12248-8-H
Price: 1502.94 USD
Availability: OutOfStock
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Part Number: DPP-12248-8-H

$1,502.94

Diamond Pistons Big Block 24/26 Degree Street Dome Series Pistons

396/454 24° 4.600B/1.270CD/Kit
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Diamond Pistons Big Block 24/26 Degree Street Dome Series Pistons 12248-8-H

DPP-12248-8-H

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Part Number: DPP-12248-8-H

Estimated Ship Date: Apr 20, 2026

$1,502.94

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Overview

Applications

Q&A

Instructions & Calculators

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Overview

Brand:

Diamond Pistons

Manufacturer's Part Number:

12248-8-H

Part Type:

Pistons

Product Line:

Diamond Pistons Big Block 24/26 Degree Street Dome Series Pistons

Summit Racing Part Number:

DPP-12248-8-H

UPC:

193564381781

Piston Rings Included:

Yes

Bore (in.):

4.600 in.

Bore (mm):

116.840mm

Stroke:

4.250 in.

Engine Stroke Type:

Stroked

Actual Engine Displacement:

9.3L/565

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):

-28.00cc

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:

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:

Quantity:

Sold as a set of 8.

Notes:

For use with 24 or 26 degree open chamber cylinder heads. Pistons are 2618 material. Includes H-13 wrist pins and oil rail supports.

Diamond Pistons Big Block 24/26 Degree Street Dome Series Pistons

Diamond Pistons offers big block 24/26 degree Street and Strip Dome Series pistons for a variety of applications, including many Chevy big block Mark IV V8 engines from 1965 and up. The forged 2618 aluminum dome-style pistons with single valve reliefs are available in a variety of bore and stroke sizes, rod lengths, compression heights, head volumes, and ring thicknesses. Choose from pistons designed for use on 9.800 in. deck height with 24 or 26 degree cylinder heads; or with 24 or 26 degree open chamber cylinder heads. Sold in sets of 8.

Additional product details:

* Forced pin oilers from the oil ring
* Pin fitted
* 3-D dome and pockets
* Pins, locks and support rails (if required) included