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Vehicle Info NeededMAHLE MOTORSPORTS PISTONSPART NUMBER: 644-4065MS
Standard Tension Piston Ring Set Bore: 4.060"/File Fit: 4.065"
$11805
Ships on 09/14/2026
Lowest Price GuaranteeStandard Tension
- Standard Tension Piston Ring Set
- Bore: 4.060"/File Fit: 4.065"
- Top Ring: 1/16"
- Second Ring: 1/16"
- Oil Ring: 3/16"
Mahle Motorsports Pistons 644-4065MS Features:
Mahle pioneered the use of piston ring simulation & computer development to design rings that provide "free" HP by minimizing friction. Their ultra flat ring flanks maximize ring-to-piston sealing.
Features:
- Top Ring: Plasma moly-coated ductile iron (barrel shape)
- Second Ring: Cast iron (reverse twist)
- Oil Ring: Low or standard tension
- Complete sets except #644-3908MS15-1, #644-4035MS-15-1, and #644-4065MS-15-1
Part TypePiston Ring
Product LineMahle Performance Piston Rings
BrandMAHLE MOTORSPORTS PISTONS
Package Height3.7
Package Width5.2
Package Length5.7
Weight0.9 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Package Qty1
Package TypeEA
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