Diamond Pistons Competition Series 10201-8-H 350/400 23° 4.040B/1.550CD/Kit

SKU: DPP10201-8-H

Pistons

Diamond Pistons Competition Series 10201-8-H 350/400 23° 4.040B/1.550CD/Kit

SKU: DPP10201-8-H

Pistons

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

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:53:20

Data: v4.2 - Upd: 2026-11-07 20:14:15

Features

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

(keyword: pistons)

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Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s	Diamond Pistons, Diamond Racing Products
StreetFX SKU	dpp10201-8-H
SFX Item ID	5523214
Accounting SKU	dpp-10201-8-H
Manufacturer SKU	10201-8-H
Manufacturer UPC	193564367334
Alternative References	10201-8-H, DPP-10201-8-H

350/400 23° 4.040B/1.550CD/Kit

Diamond Pistons Competition Series pistons are for those looking to take their engine to a whole new level of power. These forged aluminum pistons are superior in strength and provide extra protection during the high-stresses of high-compression, forced induction, or nitrous.

Diamond Pistons Competition Series features:
• 3D milling on piston crowns for "ready-to-install" finish
• Generous valve pockets designed to work with stock or oversized valves and various cylinder heads
• Constructed from forged 4032 or 2618 aluminum alloy (where specified)
• Premium 8620 or H-13 steel wrist pins (where specified)

Product Attributes
Brand	Diamond Pistons
Manufacturer's Part Number	10201-8-H
Part Type	Pistons
Product Line	Diamond Pistons Competition Series Pistons
UPC	193564367334
Piston Rings Included	Yes
Bore (in.)	4.040 in.
Bore (mm)	102.620mm
Stroke	3.480 in.
Engine Stroke Type	Stock/De-Stroked
Actual Engine Displacement	5.8L/357
Rod Length	5.700 in.
Piston Style	Flat top, with two valve reliefs
Piston Material	Forged aluminum
Compression Height (in.)	1.550 in.
Piston Head Volume (cc)	+5.30cc
Wrist Pin Style	Floating
Wrist Pin Retainers Included	Yes
Wrist Pin Included	Yes
Pin Diameter (in.)	0.927 in.
Piston Ring Thickness	1.00mm x 1.00mm x 3.00mm
File Fit	Yes
Gapless	No
Top Ring Thickness	1.0mm
Top Ring Material	Steel
Top Ring Facing Material	HV385 Thermal
Second Ring Thickness	1.0mm
Second Ring Material	Ductile iron
Second Ring Facing Material	Ductile iron
Oil Ring Thickness	3.0mm
Oil Ring Material	Stainless steel
Oil Ring Tension	Low
Remanufactured	No
Quantity	Sold as a set of 8.
Notes	This kit includes a H13 upgraded pin.