JE Pistons 242934 Forged 427/ 428 FE Flat Top 4.280 Bore

JE Pistons, Ford FE 489, Bore 4.280, Stroke 4.250, Rod Length 6.700, Flat Top -5.0cc, 518 Grams, Set of 8

$989.99

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⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

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Description

JE Pistons specially designed for the latest aftermarket blocks and heads, JE pistons are for use with the aftermarket 4.250" crank and aftermarket 6.700" rods. The factory block should be sonic checked for 4.280" and 4.310" bores. These pistons use 1/16, 1/16, 3/16 rings. The compression ratios are figured for 10.150 block height. Larger bore sizes available as customs, call JE for details.

Includes:

Pin#990-2930-15-51S (150g)

Double spiro locks (#990-042-CS)

Compression Ratio:

72cc 12.5:1

74cc 12.3:1

88cc 10.8:1
Note: *Does not work with OEM Connecting Rods. Designed for Aftermarket Connecting Rods only. Made to Order.*

Specifications

More Information
CNC Part Number	JE-242934
Price	$989.99
Sold As	Set
Manufacturer's Part Number	242934
Brands	JE
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Ford FE
Bore Size	4.280
Crankshaft Stroke	4.250
Rod Length	6.700
Piston Type	Flat Top
Compression Height	1.325
Piston Material	2618 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING

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