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Part number: 4145MS
Product Details
Mahle 4145MS in our Piston Rings Deptartment
Products specifications
Bore (in) 4.145 in.
Bore (mm) 105.283mm
File Fit No
Gapless No
Oil Ring Included Yes
Oil Ring Material Stainless steel
Oil Ring Tension Standard
Oil Ring Thickness 3/16 in.
Quantity Sold as a set.
Second Ring Facing Material Cast iron
Second Ring Included Yes
Second Ring Material Cast iron
Second Ring Thickness 1/16 in.
Top Ring Facing Material Plasma-moly
Top Ring Included Yes
Top Ring Material Ductile iron
Top Ring Thickness 1/16 in.
4.145" Bore
Drop In
Standard Tension
1/16" 1/16" 3/16"

MAHLE pioneered the use of piston ring simulation and computer
development tools to develop rings that provide free horsepower
by successfully minimizing friction. The difference is evident on the dyno and on the track. MAHLEs ultra flat ring flanks maximize ring to piston sealing.

The top ring is a ductile iron, plasma moly, barrel face configuration. The second ring is a cast iron, reverse twist. The oil rings are a 3-piece style and are offered in both standard and low tension. A large selection of coordinated piston ring sets are available in 1/16, 1/16, 3/16 or 1.5mm, 1.5mm, 3.0mm or ultra-low friction .043, .043, 3.0mm sizes.

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