Home / Shop / JE Pistons Big Block Open Chamber Dome Top 281919R Pistons, Forged, Dome, 4.500 in. Bore, Chevy, 502, 8.2L, Each

JE Pistons Big Block Open Chamber Dome Top 281919R Pistons, Forged, Dome, 4.500 in. Bore, Chevy, 502, 8.2L, Each

SKU: JEP281919R

Pistons

JE Pistons

JE Pistons Big Block Open Chamber Dome Top 281919R Pistons, Forged, Dome, 4.500 in. Bore, Chevy, 502, 8.2L, Each

SKU: JEP281919R

Pistons

BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.

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Description

JE Pistons big block open chamber dome top pistons are an excellent choice for drag race applications. Their compression height is figured using a 9.780 in. block height with zero deck clearance. The pistons include a pin, double Spiro locks, and double pin oilers. Their precision CNC-machined ring grooves will accept 1/16, 1/16, 3/16 rings.

Part Type

Pistons

Data: v4.2 - Upd: 2026-10-14 11:06:46

Specifications

Product Attributes - Brand: JE Pistons
Product Attributes - Manufacturer's Part Number: 281919R
Product Attributes - Part Type: Pistons
Product Attributes - Product Line: JE Pistons Big Block Open Chamber Dome Top Pistons
Product Attributes - UPC: 193564263810
Product Attributes - Piston Rings Included: No
Product Attributes - Bore (in.): 4.500 in.
Product Attributes - Bore (mm): 114.300mm
Product Attributes - Stroke: 4.000 in.
Product Attributes - Engine Stroke Type: Stock
Product Attributes - Actual Engine Displacement: 8.2L/502
Product Attributes - Rod Length: 6.135 in.
Product Attributes - Piston Style: Dome, with single valve relief
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Compression Height (in.): 1.645 in.
Product Attributes - Piston Head Volume (cc): -1.00cc
Product Attributes - Wrist Pin Style: Press-fit or floating
Product Attributes - Wrist Pin Retainers Included: No
Product Attributes - Wrist Pin Included: Yes
Product Attributes - Pin Diameter (in.): 0.990 in.
Product Attributes - Piston Ring Thickness: 0.064 in. x 0.064 in. x 0.188 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: 0.188 in.
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.

Reference Information

Brand Name/s	JE Pistons
StreetFX SKU	jep281919R
SFX Item ID	4801583
Supplier Item Code	4801583
Manufacturer SKU	281919R
Manufacturer UPC	N/A
Alternative References	8.2L