Product Description

NPR Replacement Pistons – Standard Size 3.780" (96.0mm) Bore

Set of 8 Dished Pistons w/ Floating Wrist Pins & Rings | Fits 2005–2006 5.3L LM7 & L59

Restore your Gen III 5.3L with this complete set of NPR OEM-equivalent dished pistons designed specifically for LM7 and L59 engines. These standard-bore 96.0mm pistons maintain factory compression and are ideal for stock rebuilds, everyday use, towing applications, and budget-friendly engine refreshes. Featuring anodized piston heads, moly-coated skirts, and fully floating wrist pins, this kit delivers durability, smooth operation, and long-term reliability backed by NPR’s proven manufacturing quality. Each set includes pistons, rings, wrist pins, and locks—everything needed for a proper rebuild.

Key Features

Complete Set of Eight: Includes (8) dished pistons, rings, floating wrist pins, and locks for a full 5.3L rebuild.
Standard Bore Size: 96.0mm / 3.780" OEM-equivalent pistons engineered for precise fitment and consistent compression.
Dished Design: Maintains factory compression ratios; perfect for stock and mild builds using LM7/L59 cylinder heads and chambers.
Premium Construction: Durable anodized heads and moly-coated skirts reduce friction, improve wear resistance, and increase longevity under load.
OEM-Level Reliability: Designed to meet factory specifications—ideal for daily driving, towing, and work-duty environments.