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Mahle Original Premium Piston Ring Sets
Piston Rings, Performance, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, Chevy LS, V8, Set
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Overview
Brand:
Manufacturer's Part Number:
42157CP
Part Type:
Product Line:
Summit Racing Part Number:
MAH-42157CP
UPC:
027067862501
Bore (in.):
4.000 in.
Bore (mm):
101.600mm
Piston and Ring Oversize (in.):
Standard
Piston and Ring Oversize (mm):
Standard
File Fit:
No
Gapless:
No
Gas Ported:
No
Top Ring Included:
Yes
Top Ring Thickness:
1.2mm
Top Ring Material:
Carbon steel
Top Ring Facing Material:
Plasma-moly
Second Ring Included:
Yes
Second Ring Thickness:
1.5mm
Second Ring Material:
Cast iron
Second Ring Facing Material:
Cast iron
Oil Ring Included:
Yes
Oil Ring Thickness:
2.5mm
Oil Ring Tension:
Standard
Oil Ring Material:
Stainless steel
Quantity:
Sold as 8 sets.
Mahle Original Premium Piston Ring Sets
Mahle Original piston ring sets are designed to be installer-friendly. They are pre-lapped to seat immediately, virtually eliminating break-in time. Ring materials and coatings, as well as ring tension, are all optimized for reduced friction and extended life in each application. The compression rings feature a barrel-faced contact area for more efficient compression and CNC-controlled gap chamfer to optimize compression and reduce blow-by. Intermediate rings have a reverse twist design for better groove side sealing, and taper race machining to enhance contact. The CP-20 oil ring assemblies feature a 20 degree ear angle, an exclusive feature that provides the best possible side seal against the cylinder wall, and a special chemical polish on the oil ring expander offers enhanced oil drain back. Mahle Original piston ring sets provide unmatched quality and ease of installation, making them the rings of choice for today's engine builders.
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