Ring Sets 99.75 Bore 79 Stroke 130.5mm 30.7mm C/D -17.0 Dome 405

Part Number JG4904-3927 (133020626)

UPC: 193564241894

Package contents: 1 Each per Box

$183.99 FREE SHIPPING

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Description

JE Piston Rings are designed to maximize horsepower through precision sealing of combustion pressure. They are offered in a huge selection of sizes, various materials, and in multiple thicknesses to suit a wide variety of engines. JE Pistons also offers an array of custom piston ring services including back cutting, dyke cutting, lapping, grinding, and PVD coating. These services, the same used by top NHRA Pro Stock and NASCAR teams, are now available to the public and offer tremendous gains in durability, power through reduced friction, and improved ring seal.

JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE Pistons 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.

Features & benefits

Highest quality ductile iron top ring with plasma-moly inlay
Taper faced reverse torsional second rings
combined with standard or low tension oil rings

Specifications

Bore Diameter	3.927 in
Country Of Origin	USA
Engine Type	ICE
File Fit	Yes
Oil Ring Axial Height	2.50 mm
Oil Ring Radial Width	0.116 in
Oil Ring Thickness	0.098 in
Product Type	Engine Piston Ring Set
Ring Set Thickness	0.0472 in. Top x 0.0472 in. 2nd x 0.098 in. Oil
Ring Type	3 Ring
Second Compression Ring Thickness	0.0472 in
Second Ring Axial Height	1.20 mm
Second Ring Facing Material	Phosphate
Second Ring Material	Iron
Second Ring Radial Width	0.165 in
Second Ring Shape	Napier, Back Cut, Neutral
Third Ring Facing Material	Carbon Steel
Third Ring Material	Carbon Steel
Third Ring Shape	SS50U Style
Top Compression Ring Thickness	0.0472 in
Top Ring Axial Height	0.95 mm
Top Ring Facing Material	Nitride
Top Ring Material	Carbon Steel
Top Ring Radial Width	0.150 in
Top Ring Shape	Barrel Face, Back Cut, Torsional

Warranty

30 Months

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.