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JE Pistons 15 Degree LS1 Series 312127R Pistons, Single - LS ASYM DM 4100STRKR

SKU: JEP312127R

Pistons

JE Pistons 15 Degree LS1 Series 312127R Pistons, Single - LS ASYM DM 4100STRKR

SKU: JEP312127R

Pistons

Sale ends in Calculating...

A$491.43 A$512.33
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

Exclusive JE Pistons flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various JE Pistons part numbers. There's never been a better time to buy your JE Pistons upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 04:08:22

Data: v4.2 - Upd: 2026-11-10 23:14:23

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)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s JE Pistons
StreetFX SKU jep312127R
SFX Item ID 4803870
Accounting SKU jep-312127R
Manufacturer SKU 312127R
Manufacturer UPC 193564207050
Alternative References 312127R, JEP-312127R

Pistons, Single - LS ASYM DM 4100STRKR

JE Pistons 15 degree LS1 series pistons are designed for stock rods (.945 in. diameter wrist pin) or aftermarket/small block Chevy (.927 in. diameter wrist pin) connecting rods. They have a flat top design that achieves compression ratios suitable for normally aspired applications and are machined for 1.5, 1.5, 3.0mm rings.

Product Attributes
BrandJE Pistons
Manufacturer's Part Number312127R
Part TypePistons
Product LineJE Pistons 15 Degree LS1 Series Pistons
UPC193564207050
Piston Rings IncludedNo
Bore (in.)4.080 in.
Bore (mm)103.632mm
Stroke4.100 in.
Engine Stroke TypeStroked
Actual Engine Displacement7.0L/429
Rod Length6.125 in.
Piston StyleDome, with two valve reliefs
Piston MaterialForged aluminum
Compression Height (in.)1.065 in.
Piston Head Volume (cc)-0.80cc
Wrist Pin StylePress-fit or floating
Wrist Pin Retainers IncludedNo
Wrist Pin IncludedNo
Pin Diameter (in.)0.927 in.
Piston Ring Thickness0.047 in. x 0.059 in. x 0.118 in.
File FitNo
GaplessNo
RemanufacturedNo
QuantitySold individually.
NotesFits right side exhaust valve orientation.

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