JE Pistons Chevrolet Small Block 4.040in Bore 1.125in CH -5.00 CC Piston - Single

SKU: JEP138094S

Pistons

JE Single Pistons...

JE Pistons

JE Pistons Chevrolet Small Block 4.040in Bore 1.125in CH -5.00 CC Piston - Single

SKU: JEP138094S

Pistons

JE Single 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

Born from the rich racing experience of JE Pistons, the Sportsman Racing Products (SRP) piston line proudly bridges the gap between high-quality forged piston performance and affordability. Forged from strong, 4032 aluminum alloy material, SRP pistons are designed and manufactured to reduce machining costs without sacrificing strength or performance characteristics. These pistons are the perfect option for someone building a mild to moderate performance engine on a sportsman budget. As with all JE Pistons products, SRP pistons are made 100% in the USA.

Application Summary

Chevrolet Small Block 350

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-10-14 11:34:03

Features

Forged in the USA using 4032 aluminum, yielding tensile strength and minimal thermal expansionDedicated forging helps optimize strength and weight throughout the piston designPerfect for street/strip applicationsForced pin oiling for improved pin lubricationMade 100% in the USA

Specifications

Product Attributes - Brand: JE Pistons
Product Attributes - Manufacturer's Part Number: 138094S
Product Attributes - Part Type: Pistons
Product Attributes - UPC: 193564260314
Product Attributes - Piston Rings Included: No
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: Flat top, with two valve reliefs
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Compression Height (in.): 1.125 in.
Product Attributes - Piston Head Volume (cc): +5.00cc
Product Attributes - Wrist Pin Style: Press-fit or 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: 0.064 in. x 0.064 in. x 0.218 in.
Product Attributes - File Fit: No
Product Attributes - Gapless: No
Product Attributes - Top Ring Thickness: 0.064 in.
Product Attributes - Second Ring Thickness: 0.064 in.
Product Attributes - Oil Ring Thickness: 0.218 in.
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Made from 4032 alloy forged aluminum.
Product Attributes - Special Attention: Designed to work with Chevy 23 degree cylinder heads with 20/30 valve spacing..

Reference Information

Brand Name/s	JE Pistons
StreetFX SKU	jep138094S
SFX Item ID	4635541
Supplier Item Code	4635541
Manufacturer SKU	138094S
Manufacturer UPC	193564260314
Alternative References	4.040in, 1.125in