JE Pistons 170855 Forged 331/ 347 Heavy Duty Flat Top 4.030 Bore

JE Pistons, SBF 331, Bore 4.030, Stroke 3.250, Rod Length 5.400, Flat Top -5.0cc, 451 Grams, Set of 8

Special Price $987.29 Regular Price $1,096.99

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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.

Description

The Industry standard for rock-solid durability in a Heavy Duty Flat Top piston! An excellent choice for the gas pump, nitrous, or race fuel/ E85 forced induction combinations. Will accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC machined ring grooves accept 1/16", 1/16", 3/16" rings. Pin upgrade recommended above 700hp. Recommended ring sets contain low tension oil ring.

Includes:

Pin #927-2750-15-51S (130g)

Double spiro locks (#927-042-CS)

Contact Reduction Grooves

Compression Ratio:

56cc 10.8:1

60cc 10.2:1

64cc 9.7:1
Note: *Oil rail supports included. Made to Order.*

Specifications

More Information
CNC Part Number	JE-170855
Price	$1,096.99
Manufacturer's Part Number	170855
Brands	JE
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Ford SB
Bore Size	4.030
Crankshaft Stroke	3.250
Rod Length	5.400
Piston Type	Flat Top
Compression Height	1.175
Piston Material	2618 Forged
Piston Ring Size	1/16 1/16 3/16
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING

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