JE Pistons Chevy Small Block 4.155in Bore -26.80cc Inverted Dome / Dish - Single Piston

SKU: JEP170818S

Pistons

JE Single Pistons...

JE Pistons

JE Pistons Chevy Small Block 4.155in Bore -26.80cc Inverted Dome / Dish - Single Piston

SKU: JEP170818S

Pistons

JE Single Pistons...

LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.

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Description

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for domestic applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From dirt track to drag strip, JE Pistons? performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons.

Application Summary

Chevrolet Small Block 400

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-10-13 21:36:20

Features

Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applicationsDesigned specifically for each engine and use application to provide optimized performance durabilityProprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pinSkirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noiseAccumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent powerMade 100% in the USA

Specifications

Product Attributes - Brand: JE Pistons
Product Attributes - Manufacturer's Part Number: 170818S
Product Attributes - Part Type: Pistons
Product Attributes - Product Line: JE Pistons Extreme Duty 23 Degree Inverted Dome Top Pistons
Product Attributes - UPC: 193564212108
Product Attributes - Piston Rings Included: No
Product Attributes - Bore (in.): 4.155 in.
Product Attributes - Bore (mm): 105.537mm
Product Attributes - Stroke: 3.750 in.
Product Attributes - Engine Stroke Type: Stroked
Product Attributes - Rod Length: 6.000 in.
Product Attributes - Piston Style: Dish, with a D-shaped cup
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Compression Height (in.): 1.125 in.
Product Attributes - Piston Head Volume (cc): +28.00cc
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: 1/16 in. x 1/16 in. x 3/16 in.
Product Attributes - File Fit: No
Product Attributes - Gapless: No
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Oil rail support included. 0.310 in. deep valve pockets.

Reference Information

Brand Name/s	JE Pistons
StreetFX SKU	jep170818S
SFX Item ID	4361737
Supplier Item Code	4361737
Manufacturer SKU	170818S
Manufacturer UPC	193564212108
Alternative References	JEP-170818-1, 4.155in, -26.80cc