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![K1870-4005 SX-Series Flat Top Piston Set for 1999-2019 Chevy LS, 4.005 in. Bore, -3cc Volume [Stroker]](https://www.jegs.com/images/mini_750/900/915/915-k1870-4005.jpg)
Vehicle Info NeededDSS RACINGPART NUMBER: 915-K1870-4005
K1870-4005 SX-Series Flat Top Piston Set for 1999-2019 Chevy LS, 4.005 in. Bore, -3cc Volume [Stroker]
$87895
Ships on 09/14/2026
Lowest Price GuaranteeGM Gen III/IV LS
SX-Series Flat Top Piston Set1999-2019 Chevy LS Bore: 4.005 in. Head Volume: -3cc Material: Forged 4032 Pin Diameter: .927 in. Pin Style: Press or Full Floating Ring Thickness: 1.5/1.5/3 mm Stroker Set of 8
DSS Racing K1870-4005 Features:
- Forged from Wear Resistant 4032 Alloy
- Light Weight Design
- Machined Valve Reliefs for Moderate Performance Head and Cam Combinations
- Precision CNC Finished Pin Bores
- Heavy-Duty Piston Pins
- Full Floating or Press Fit
- Double True Arc Pin Locks Provide Redundancy
- Drilled Oil Ring Drain Backs
- Precision Diamond-Turned Skirts
- Boost and NOS Ready! (Mild to Moderate Levels)
- Includes matching DSS Racing Ductile Moly ring set.
- Ring Set Required: RS-DM200-4005
- Ring Series: DM200
- Fits Base Engine: 6.0 - LS2 -6.2 - LS3 - L98 - LQ9 - LS7 - LSA - LSX Stroker
- Compression Ratio: 64cc-11.43, 66cc-11.16, 72cc-10.42
- Calculated Zero Deck: 9.24
- Compression Height: 1.215 in.
- Rod Length: 6.125 in.
- Stroke: 3.8 in. (Stroker)
- Pin Locking Rings Included: Yes
- Wrist Pin Included: Yes
- Oil Rail Support Ring Included: N/A
- With Rings Without Rings: With Rings
- Total Valve Reliefs: 2
Quality Forged Piston Sets with Rings
DSS Racing SX-Series forged piston and ring kits are a budget-friendly way to increase your engine's horsepower. These high-performance pistons are made of premium aluminum alloy and come with quality features, including forced pin oiling, drilled return holes, a turned dish design, and CNC diamond-turned skirts—not typically found in pistons at this price point. Whether using a blower, turbo, or nitrous, SX-forged pistons will quench your quest for horsepower.
Part TypePiston
Product LineDSS Racing SX-Series Forged 4032 Piston and Ring Kits
BrandDSS RACING
Package Height10.0
Package Width10.0
Package Length10.0
Weight17.0 PG
Part CategoryPerformance Parts
Pin Lock Rings IncludedYes
Compression Height (In)1.215
Bore (In)4.005
Wrist Pin StylePress or Full Floating
QuantitySet of 8
Piston Head Volume-3cc
Piston StyleFlat Top
Compression Ratio64cc-11.43, 66cc-11.16, 72cc-10.42
Ring Thickness1.5/1.5/3 mm
Piston MaterialForged 4032
Pin Diameter (In)0.927
Part FitmentSemi Universal
Wrist Pin IncludedYes
Snap Rings IncludedYes
Vendor Part NumberK1870-4005
Package Qty1
Package TypeEA
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