Notice: Product Images may differ from the actual product. Image may be a representation of this item.

Piston Ring Set – 4.070 in. Bore – 0.0472 in. Top / 0.0591 in. 2nd / 0.118 in. Oil – 8 Cyl.

Your Price: $286.23

SKU: JG31F8-4070-0

In Stock

–

Piston Ring Set, 8 Cyl., File Fit, 0.0472 in. Carbon Steel Nitride Top Ring, 0.0591 in. Iron Phosphate Second Ring, 0.1181 in. Carbon Steel Chrome Standard Tension Oil Ring, Each.

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.

Categories: , , , , ,

GTIN: 00193564240484

Bore Diameter

103.38|4.070 MM
Ring Type

3 Ring
File Fit

Yes
Top Ring Axial Height

1.20 MM
Top Ring Radial Width

0.150 IN
Top Compression Ring Thickness

0.0472 IN
Top Ring Facing Material

Nitride
Top Ring Material

Carbon Steel
Top Ring Shape

Barrel Face, Back Cut, Torsional
Second Ring Axial Height

1.50 MM
Second Ring Radial Width

0.170 IN
Second Compression Ring Thickness

0.0591 IN
Second Ring Facing Material

Phosphate
Second Ring Shape

Napier, Back Cut, Neutral
Oil Ring Axial Height

3.00 MM
Oil Ring Radial Width

0.152 IN
Oil Ring Thickness

0.118 IN
Third Ring Facing Material

Carbon Steel
Third Ring Material

Carbon Steel
Third Ring Shape

Full Seal, Flex Vent
Ring Set Thickness

0.0472 in. Top x 0.0591 in. 2nd x 0.118 in. Oil
Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine.
Note: For pistons BELOW the block @ TDC – value in box must be a NEGATIVE number (-0.000)
Note: For pistons ABOVE the block @ TDC – value in box must be a POSITIVE number (0.000)
Note: For a DISH piston – value in box must be a NEGATIVE number (-0.0)
Note: For a DOME piston – value in box must be a POSITIVE number (0.0)
Note: Manipulate the DOME/DISH & PISTON to DECK volumes to get the ratio you want.
Enter the number of cylinders of your engine
Bore
Finished bore of your engine
Stroke
Stroke of your engines crankshaft
Rod Length
Ctr. to Ctr. length of your connecting rods
Gasket Bore
Head Gasket bore diameter
Comp. Gasket
Compressed Head Gasket thickness
Block Deck Height
Center of main bearing bore to top of block
Top Ring Down
Top of 1st ring to top of pistons(FLAT)
Chamber Volume
Cylinder Head chamber volume in CC’s
Dome/Dish Volume
DOME (-) or DISH (+) vol. (theoretical) in CC’s
Piston to Deck
Top of BLOCK to top of piston (FLAT) @ TDC
Click “Calculate” for dimension results.
Total Volume
 
Cylinder Volume
Total cylinder volume in CC’s =
Clearance Volume
All effective vol. above block deck @ TDC in CC’s =
Gasket Volume
Volume of your head gasket in CC’s =
Top Ring Volume
Total volume above the top ring @ TDC in CC’s =
Deck Volume
Volume of area above the pistons @ TDC in CC’s =
Piston Top Land
Piston top land diameter for volume calculations =
1/2 Stroke
1/2 stroke of your engine’s crankshaft in inches =
Compression Ht.
Ctr. of piston pin to top of piston (FLAT) in inches =
Cubic Inches
Cubic inch displacement of your engine =
For the given dimensions, your compression ratio