Perf. Piston Ring Set V8 4.100 Bore 1.5x1.5x3.0

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$138.05
MSRP: $158.99
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SKU:NPR20-GNHD4100K8

SKU: NPR20-GNHD4100K8

MPN: 20-GNHD4100K8

Info

SKU:
NPR20-GNHD4100K8
MPN:
20-GNHD4100K8

Description

The Perf. Piston Ring Set V8 4.100 Bore 1.5x1.5x3.0 represents a critical internal engine component for serious V8 builders and performance mechanics undertaking complete engine rebuilds or high-output modifications. These precision piston rings are engineered to seal combustion pressure, control oil consumption, and maintain compression integrity in large-displacement or recently bored engine blocks. Whether you're assembling a stroker motor, restoring a vintage big-block, or upgrading an existing V8 platform, quality ring sets are non-negotiable for durability and peak performance.

NPR piston rings are manufactured to OEM and performance standards, utilizing premium cast-iron and steel alloys designed to withstand sustained high RPM operation and elevated combustion temperatures. The 1.5x1.5x3.0 ring geometry—referring to top ring, second ring, and oil ring thickness specifications—provides optimized sealing clearances and blow-by control for 4.100-inch bore diameters. This particular configuration balances compression sealing efficiency with reduced friction losses, a critical trade-off in performance engine design. The ring set's precision fit minimizes eccentric wear and ensures consistent performance across extended break-in and sustained driving cycles.

This piston ring set suits engine builders, machine shops, and DIY enthusiasts working on V8 platforms with 4.100-inch bore dimensions—common in street, race, and truck applications. Installation requires proper ring end-gap verification, honing confirmation, and careful assembly technique to avoid ring breakage or installation damage. Compatibility depends on piston design, cylinder wall condition, and adherence to manufacturer torque specifications during assembly. Proper lubrication during initial startup and controlled break-in procedures ensure optimal ring seating and long-term sealing performance in your completed V8 engine.

SpecificationDetail
Brand
NPR PISTON RINGS
MPN / Part Number
20-GNHD4100K8
SKU
NPR20-GNHD4100K8
Weight
0.8 lbs
Dimensions
5 x 2 x 9.5 in
Engine Type
V8
Cylinder Bore
4.100 Inches
Ring Dimensions
1.5mm x 1.5mm x 3.0mm
Material Composition
Cast-Iron & Steel Alloy
Manufacturer
NPR Piston Rings
Application
Engine Rebuild & Performance Build

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