JE Pistons 170698 Forged Tour Series GP 4.040 Bore

JE Pistons, SBC, 385, Bore 4.040, Stroke 3.500, Rod Length 6.125, Flat Top -5.0cc, 389 Grams, Set of 8

Special Price $969.29 Regular Price $1,076.99

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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

JE Pistons Ultra Light GP, this JE piston set has undergone engineering changes to handle higher horsepower 4-barrel applications (approximately 650 hp) and angle milled heads. Both 350 and 400 series accept oversize valves (intake pocket is 2.255" and the exhaust pocket is 1.870") and long duration, tight lobe separation cams. The ring grooves are precision machined for .043, .043, 3mm back cut rings with lateral gas ports for superior ring seal.

Includes:

Lateral Gas Ports >li>Contact Reduction Grooves

Double Spiro Locks #927-042-CS

Double Pin Oilers

Compression Ratio:

58cc 11.2:1

64cc 10.3:1

76cc 9.1:1

Specifications

More Information
CNC Part Number	JE-170698
Price	$1,076.99
Manufacturer's Part Number	170698
Brands	JE
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Chevy SB
Bore Size	4.040
Crankshaft Stroke	3.500
Rod Length	6.125
Piston Type	Flat Top
Compression Height	1.125
Piston Material	2618 Forged
Piston Ring Size	.043 .043 3.0mm
Wrist Pin Size	0.927
Custom Notices	⚠ PROP 65 WARNING