Diamond Pistons Competition Series 11531-R2-8-H LT1 Gev V 4.065B/1.331CD/Kit

SKU: DPP11531-R2-8-H

Pistons

Diamond Pistons Competition Series 11531-R2-8-H LT1 Gev V 4.065B/1.331CD/Kit

SKU: DPP11531-R2-8-H

Pistons

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Description

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:53:43

Data: v4.2 - Upd: 2026-11-07 20:13:25

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	dpp11531-R2-8-H
SFX Item ID	5523866
Accounting SKU	dpp-11531-R2-8-H
Manufacturer SKU	11531-R2-8-H
Manufacturer UPC	193564373694
Alternative References	11531-R2-8-H, DPP-11531-R2-8-H

LT1 Gev V 4.065B/1.331CD/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	11531-R2-8-H
Part Type	Pistons
Product Line	Diamond Pistons Competition Series Pistons
UPC	193564373694
Piston Rings Included	Yes
Bore (in.)	4.065 in.
Bore (mm)	103.251mm
Stroke	3.622 in.
Engine Stroke Type	Stock
Actual Engine Displacement	6.2L/376
Rod Length	6.098 in.
Piston Style	Dish, with two valve reliefs
Piston Material	Forged aluminum
Compression Height (in.)	1.331 in.
Piston Head Volume (cc)	+1.00cc
Wrist Pin Style	Floating
Wrist Pin Retainers Included	Yes
Wrist Pin Included	Yes
Pin Diameter (in.)	0.943 in.
Piston Ring Thickness	1.20mm x 1.20mm x 3.00mm
File Fit	Yes
Gapless	No
Top Ring Thickness	1.2mm
Top Ring Material	Ductile iron
Top Ring Facing Material	Gas nitrided
Second Ring Thickness	1.2mm
Second Ring Material	Ductile iron
Second Ring Facing Material	Ductile iron
Oil Ring Thickness	3.0mm
Oil Ring Material	Stainless steel
Oil Ring Tension	Standard
Remanufactured	No
Quantity	Sold as a set of 8.
Notes	Fits 15 degree heads only.Pistons are 2618 material. This set includes an H13 upgraded wrist pin.