JE Pistons 427/428 FE Flat Top 242934L Pistons, Single - 427 BBF FLAT TOP

SKU: JEP242934L

Pistons

JE Pistons

JE Pistons 427/428 FE Flat Top 242934L Pistons, Single - 427 BBF FLAT TOP

SKU: JEP242934L

Pistons

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

We accept

Description

Specially designed for the latest aftermarket blocks and heads, JE Pistons 427/428 FE flat top pistons are for use with aftermarket 4.250 inch crank and aftermarket 6.700 inch rods. The factory block should be sonic checked for 4.280 in. and 4.310 in. bores. These pistons use 1/16, 1/16, 316 rings. The compression ratios are figured for 10.150 block heights. Larger bore sizes are available as customs, please contact manufacturer for details.

Part Type

Pistons

Data: v4.2 - Upd: 2026-10-14 10:59:21

Specifications

Product Attributes - Brand: JE Pistons
Product Attributes - Manufacturer's Part Number: 242934L
Product Attributes - Part Type: Pistons
Product Attributes - Product Line: JE Pistons 427/428 FE Flat Top Pistons
Product Attributes - UPC: 193564193988
Product Attributes - Piston Rings Included: No
Product Attributes - Bore (in.): 4.280 in.
Product Attributes - Bore (mm): 108.712mm
Product Attributes - Stroke: 4.250 in.
Product Attributes - Engine Stroke Type: Stroked
Product Attributes - Actual Engine Displacement: 8.0L/489
Product Attributes - Rod Length: 6.700 in.
Product Attributes - Piston Style: Flat top, with two valve reliefs
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Compression Height (in.): 1.325 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.): 0.990 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.
Product Attributes - Notes: Designed to fit left exhaust valve orientation.

Reference Information

Brand Name/s	JE Pistons
StreetFX SKU	jep242934L
SFX Item ID	4808849
Supplier Item Code	4808849
Manufacturer SKU	242934L
Manufacturer UPC	193564193988

Compatibility

Application Data

Make FORD
Beginning Year 1963
Ending Year 1969
Engine Type V8
Engine Family FORD BIG BLOCK FE V8 GAS
Engine Size 7.0L/427
Application Notes Designed to fit left exhaust valve orientation.