DSS 4032 6.2 / LS3 / LQ4 / LQ9 / LY6 LS SX Series -5cc LS Flat Top Piston Set. 4.070"

Unlock your Chevy LS engine’s potential with the DSS 4032 6.2 / LS3 / LQ4 / LQ9 / LY6 LS SX Series -5cc LS Flat Top Piston Set. Made from high-strength 4032 alloy, these pistons are designed for high-performance applications, delivering impressive power and durability. Ideal for engines ranging from 6.0L to 6.2L and LS series models, this piston set provides optimized compression ratios and engine compatibility for both street and track builds.

Piston Specifications

Piston Top: -5cc Flat Top, providing a high compression ratio for more horsepower and torque.
Approximate Compression Ratios:
- 64cc Chamber: 11.22 to 1
- 66cc Chamber: 10.96 to 1
- 72cc Chamber: 10.24 to 1
*For accurate compression ratio information, use the compression calculator below.*
Engine Compatibility: Chevy LS family, including LS2, LS3, LQ4, LQ9, LY6, LS7, L98, LSA, LSX.
Engine Size Supported: 6.0L, 6.2L, LS1, LS2, LS3, LQ4, LQ9, LY6, LS7, L98, LSA, and LSX engines.
With/Without Rings: Without Rings (DSS Ring Pack sold separately).

Technical Details

Cylinder Bore Size: 4.070 inches (103.297 mm), engineered for a precise fit in high-performance LS engines.
Ring Width: 1.5/1.5/3mm, compatible with a variety of ring packs for enhanced sealing.
Compression Height: 1.305 inches for optimal combustion efficiency.
Pin Diameter: 0.927 inches, designed for a tight fit with the connecting rod.
Connecting Rod Length: 6.125 inches, suited for LS series and stroker builds.
Crankshaft Stroke: 3.622 inches, designed for balanced power and smooth operation.
Piston Series: SX 4032 Alloy, offering excellent strength and wear resistance.
Cylinder Head Compatibility: LS1, LS2, LS3, and LS7 cylinder heads.
TDC Assembly Height: 9.241 inches (Zero Deck Height), ensuring perfect piston alignment with your engine's block.

Performance & Compatibility

The DSS 4032 LS SX Series -5cc Flat Top Piston Set is perfect for those seeking maximum performance from their LS engine. With a carefully engineered design, these pistons provide a high compression ratio that results in significant increases in horsepower and torque. Whether you're building a street, race, or track engine, these pistons are a top choice for optimizing engine efficiency and power delivery.