Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededMAHLE MOTORSPORTS PISTONSPART NUMBER: 644-4155MS
Standard Tension Piston Ring Set Bore: 4.155"/Non-file fit
$11805
Ships on 09/14/2026
Lowest Price GuaranteeStandard Tension
- Standard Tension Piston Ring Set
- Bore: 4.155"/Non-file fit
- Top Ring: 1/16"
- Second Ring: 1/16"
- Oil Ring: 3/16"
Mahle Motorsports Pistons 644-4155MS 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 Height3.5
Package Width5.2
Package Length5.7
Weight1.1 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
JEGS
32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)
Part Number : 555-80500
$999$10.99
You Save$1.00
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
JEGS
Part Number : 555-80500
$999$10.99
You Save$1.00
Some parts are not legal for use in California or other states with similar laws / regulations
