4.030" +030" Piston Rings - Moly Top / Cast 2nd 5/64" 5/64" 3/16"

SEALED POWER E-251K30 - 4.030" MOLY TOP RING & CAST 2ND PISTON RINGS

4.030" - 5/64 - 5/64 - 3/16 SET 

Sealed Power Performance Piston Rings Sets.

Suits: Windsor, Cleveland, Chevy 350, Holden 304 308, Chrysler 360

Sealed Power Performance piston rings are made from ductile iron, and compression rings are available with moly, chrome, and plasma-moly facings for extra durability. These OE-quality sets will seal mild- to high-compression engines and help protect against oil blowby. They feature standard ring end gaps for easy installation. Find the bore dimension and ring thicknesses needed for your application.

Bore (in.):  4.030 in.

Bore (mm):  102.616mm

Piston and Ring Oversize (in.): +030"

Piston and Ring Oversize (mm): 1.016mm

File Fit:  No

Gapless: No

Gas Ported: No

Top Ring Included: Yes

Top Ring Thickness:  5/64 in.

Top Ring Material:  Steel

Top Ring Facing Material:  Moly

Second Ring Included:  Yes

Second Ring Thickness:  5/64 in.

Second Ring Material:  Iron

Second Ring Facing Material:  Cast iron

Oil Ring Included:  Yes

Oil Ring Thickness:  3/16 in.

Oil Ring Tension:  Standard

Oil Ring Material:  Stainless steel

Quantity:  Sold as 8 sets.