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Diamond Pistons

Diamond Pistons Small Block 23 Degree Race Dome Series 11920-8-H 350/400 23° 4.040B/1.125CD/Kit

SKU: DPP11920-8-H

Pistons
Diamond Pistons Small Block 23 Degree Race Dome Series 11920-8-H 350/400 23° 4.040B/1.125CD/Kit

Diamond Pistons

Diamond Pistons Small Block 23 Degree Race Dome Series 11920-8-H 350/400 23° 4.040B/1.125CD/Kit

SKU: DPP11920-8-H

Pistons
A$4,029.41
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Diamond Pistons Small Block 23 Degree Race Dome Series pistons are available for a variety of applications, including many Chevy V8 Gen 1 engines from 1968-2001. Forged from aluminum with two valve reliefs, the dome-style pistons are offered in different bore and stroke sizes, along with numerous other options. Order individually or in a set of 8.

Additional details:

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

Part Type

Pistons

Data: v4.2 - Upd: 2026-10-14 08:50:57

Specifications

Product Attributes - Brand
Diamond Pistons
Product Attributes - Manufacturer's Part Number
11920-8-H
Product Attributes - Part Type
Pistons
Product Attributes - Product Line
Diamond Pistons Small Block 23 Degree Race Dome Series Pistons
Product Attributes - UPC
193564378545
Product Attributes - Piston Rings Included
Yes
Product Attributes - Bore (in.)
4.040 in.
Product Attributes - Bore (mm)
102.616mm
Product Attributes - Stroke
3.750 in.
Product Attributes - Engine Stroke Type
Stroked
Product Attributes - Actual Engine Displacement
6.3L/385
Product Attributes - Rod Length
6.000 in.
Product Attributes - Piston Style
Dome, with two valve reliefs
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Compression Height (in.)
1.125 in.
Product Attributes - Piston Head Volume (cc)
-14.00cc
Product Attributes - Wrist Pin Style
Floating
Product Attributes - Wrist Pin Retainers Included
Yes
Product Attributes - Wrist Pin Included
Yes
Product Attributes - Pin Diameter (in.)
0.927 in.
Product Attributes - Piston Ring Thickness
0.043 in. x 0.043 in. x 3.00mm
Product Attributes - File Fit
Yes
Product Attributes - Gapless
No
Product Attributes - Top Ring Thickness
0.043 in.
Product Attributes - Top Ring Material
Ductile iron
Product Attributes - Top Ring Facing Material
Plasma-moly
Product Attributes - Second Ring Thickness
0.043 in.
Product Attributes - Second Ring Material
Ductile iron
Product Attributes - Second Ring Facing Material
Ductile napier
Product Attributes - Oil Ring Thickness
3.0mm
Product Attributes - Oil Ring Material
Stainless steel
Product Attributes - Oil Ring Tension
Standard
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold as a set of 8.
Product Attributes - Notes
Pistons are 2618 material. Includes H-13 wrist pins and oil rail supports.

Reference Information

Brand Name/s Diamond Pistons
StreetFX SKU dpp11920-8-H
SFX Item ID 5524357
Supplier Item Code 5524357
Manufacturer SKU 11920-8-H
Manufacturer UPC 193564378545
Alternative References 23°, 4.040B/1.125CD/Kit

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Application NotesPistons are 2618 material. Includes H-13 wrist pins and oil rail supports.
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
    Application NotesPistons are 2618 material. Includes H-13 wrist pins and oil rail supports.

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