JE Pistons FSR Hollowdome GP 301428L Pistons, Single - SBC 400 DOME

SKU: JEP301428L

Pistons

JE Pistons

JE Pistons FSR Hollowdome GP 301428L Pistons, Single - SBC 400 DOME

SKU: JEP301428L

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

JE Pistons' FSR hollow dome GP pistons, available in a 350 or 400 Series, are the forged side relief versions of their popular 23-degree domed pistons, and they are ideal for circle track and drag racing. Up to 70 grams lighter than traditional "full round" pistons (including wrist pins and rings), these hollow dome gas-ported pistons are also stronger and more durable due to modern FEA-designed forging. They feature accumulator grooves, contact reduction grooves, double pin oilers, lateral gas ports, and deeper valve pockets to accommodate higher lift cams and milled cylinder heads. JE Pistons 23-degree 350 and 400 Series FSR hollow dome GP pistons will accept a low-friction .043/.043/3.0mm ring package (not included).

Part Type

Pistons

Data: v4.2 - Upd: 2026-10-14 10:58:56

Specifications

Product Attributes - Brand: JE Pistons
Product Attributes - Manufacturer's Part Number: 301428L
Product Attributes - Part Type: Pistons
Product Attributes - Product Line: JE Pistons FSR Hollowdome GP Pistons
Product Attributes - UPC: 193564211415
Product Attributes - Piston Rings Included: No
Product Attributes - Bore (in.): 4.155 in.
Product Attributes - Bore (mm): 105.537mm
Product Attributes - Stroke: 4.000 in.
Product Attributes - Engine Stroke Type: Stroked
Product Attributes - Actual Engine Displacement: 7.1L/434
Product Attributes - Rod Length: 6.000 in.
Product Attributes - Piston Style: Dome, with two valve reliefs
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Compression Height (in.): 1.000 in.
Product Attributes - Piston Head Volume (cc): -10.80cc
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: 0.043 in. x 0.043 in. x 0.149 in.
Product Attributes - File Fit: No
Product Attributes - Gapless: No
Product Attributes - Top Ring Thickness: 0.043 in.
Product Attributes - Second Ring Thickness: 0.043 in.
Product Attributes - Oil Ring Thickness: 0.149 in.
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Designed to fit left exhaust valve orientation with 20/30 valve spacing. Oil rail support included.

Reference Information

Brand Name/s	JE Pistons
StreetFX SKU	jep301428L
SFX Item ID	4809544
Supplier Item Code	4809544
Manufacturer SKU	301428L
Manufacturer UPC	193564211415

Compatibility

Application Data

Make	CHEVROLET
Beginning Year	1970
Ending Year	1980
Engine Type	V8
Engine Family	Chevy small block Gen I
Engine Size	6.6L/400
Application Notes	Designed to fit left exhaust valve orientation with 20/30 valve spacing. Oil rail support included.