DSS 4032 6.2 / LS3 / LQ4 / LQ9 / LY6 LS SX Series -5cc LS Flat Top Piston Set. 4.065"

Upgrade your high-performance Chevy LS engine with the DSS 4032 6.2 / LS3 / LQ4 / LQ9 / LY6 LS SX Series -5cc LS Flat Top Piston Set. These precision-engineered pistons are crafted from durable 4032 alloy, offering excellent strength and heat resistance for high-performance builds. Perfect for LS-based engines, including the LS3, LQ4, LQ9, and LY6, these pistons provide exceptional durability and an optimal compression ratio for maximum horsepower.

Piston Specifications

Piston Top: -5cc Flat Top, designed for efficient combustion and power generation.
Approximate Compression Ratios:
- 64cc Chamber: 11.2 to 1
- 66cc Chamber: 10.94 to 1
- 72cc Chamber: 10.22 to 1
*For accurate compression ratio information, use the compression calculator below.*
Engine Compatibility: Chevy LS family, including LS1, LS2, LS3, LS7, LS9, LQ4, LQ9, LY6, and LSX engines.
Engine Sizes Supported: 6.0L, 6.2L, LS2, LS3, L98, LQ9, LS7, LSA, and LSX engines.
With/Without Rings: Without Rings (sold separately).

Technical Details

Cylinder Bore Size: 4.065 inches (103.170 mm)
Ring Width: 1.5/1.5/3mm, designed to work with DSS Ring Pack.
Compression Height: 1.305 inches, ensuring optimal piston-to-deck clearance.
Pin Diameter: 0.927 inches, compatible with popular LS connecting rods.
Connecting Rod Length: 6.125 inches, ideal for LS builds.
Crankshaft Stroke: 3.622 inches, perfect for LS3, LQ4, and stroker applications.
Piston Series: SX 4032 Alloy, known for strength and thermal stability.
Cylinder Head Compatibility: LS1, LS2, LS3, and LS7 cylinder heads.
TDC Assembly Height: 9.241 inches (Zero Deck Height), offering excellent clearance for custom builds.

Performance & Compatibility

The DSS 4032 6.2 / LS3 / LQ4 / LQ9 / LY6 LS SX Series -5cc Flat Top Pistons are engineered for high-performance applications, offering the perfect balance of strength, heat resistance, and performance. Whether you’re building an LS3, LSX, or stroker motor, these pistons provide ideal compression ratios to maximize engine power. Built for strength and reliability, the 4032 alloy construction ensures these pistons can withstand the demands of high-performance applications, making them the perfect choice for your next build.