Piston Set(8) – Dish Top | GM, Chevrolet 5.3L LS-Series Vortec (1999–2004) – VIN "T", "Z" | 3.780" Bore | Press Fit Pin
Piston Set(8) – Dish Top | GM, Chevrolet 5.3L LS-Series Vortec (1999–2004) – VIN "T", "Z" | 3.780" Bore | Press Fit Pin
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Piston Set – Dish Top | GM, Chevrolet 5.3L LS-Series Vortec (1999–2004) – VIN "T", "Z" | 3.780" Bore | Press Fit Pin
Restore power and reliability to your early 5.3L LS engine with this high-quality Dish Top Piston Set, built for 1999–2004 GM, Chevrolet, and GMC trucks, vans, and SUVs featuring the 5.3L / 325 OHV V8 16V LS-Series Vortec engine with a 3.780" bore and engine VIN code “T” or “Z.”
Why Choose This Piston Set?
Engineered for the durability and performance your LS engine demands, this piston set is ideal for rebuilds, restorations, and stock-performance upgrades. The hypereutectic construction improves strength and reduces expansion under heat, while the dish-top design maintains OEM compression ratios—making it perfect for everyday drivers, work trucks, or classic restorations.
Compatibility
Compatibility
Vehicle Compatibility:
Chevrolet: Silverado, Suburban, Tahoe, Express, Avalanche (1999–2004 5.3L Vortec)
GMC: Sierra, Yukon, Savana
Fits Gen III LS-based Vortec engines with VIN codes “T” or “Z”
Designed for press-fit connecting rods
For standard 3.780" bore blocks (oversizes available)
Features
Features
Piston Specifications:
Dish top design for factory-style compression
1.327" Compression Height (CH)
Made from high-strength hypereutectic aluminum alloy for durability and heat resistance
Features a moly-coated skirt for reduced friction and extended service life
Press-fit wrist pin style for OE-style rod compatibility
Designed to meet or exceed OEM performance standards
What’s Included:
Set of 8 pistons
Press-fit wrist pins (circlips not required)
Designed for use with standard ring groove dimensions and compression ratios
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