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![8180-4000 SX-Series Flat Top Piston Set for 1955-2004 Small Block Chevy, 4 in. Bore, -5cc Volume [Stroker]](https://www.jegs.com/images/mini_750/900/915/915-8180-4000.jpg)
Vehicle Info NeededDSS RACINGPART NUMBER: 915-8180-4000
8180-4000 SX-Series Flat Top Piston Set for 1955-2004 Small Block Chevy, 4 in. Bore, -5cc Volume [Stroker]
$68995
Ships on 09/14/2026
Lowest Price GuaranteeChevy Small Block
SX-Series Flat Top Piston Set1955-2004 Small Block Chevy Bore: 4.000 in. Head Volume: -5cc Material: Forged 4032 Pin Diameter: .927 in. Pin Style: Press or Full Floating Ring Thickness: 1/16-1/16-3/16 in. Stroker Set of 8
DSS Racing 8180-4000 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)
- Ring Set Required: RS-DM400-4000
- Ring Series: DM400
- Fits Base Engine: 408
- Cylinder Head Style: 23-Degree
- Compression Ratio: 58cc-12.56, 64cc-11.66, 70cc-10.89
- Calculated Zero Deck: 9
- Compression Height: 1 in.
- Rod Length: 6 in.
- Stroke: 4 in. (Stroker)
- Pin Locking Rings Included: Yes
- Wrist Pin Included: Yes
- Oil Rail Support Ring Included: Required
- With Rings Without Rings: Without Rings
- Total Valve Reliefs: 2
Increase Your Engine's HP with Quality Forged Pistons
DSS Racing SX-Series forged pistons will increase your engine's horsepower without breaking the bank. 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 Pistons
BrandDSS RACING
Package Height7.0
Package Width8.5
Package Length8.5
Weight16.0 PG
Part CategoryPerformance Parts
Pin Lock Rings IncludedYes
Compression Height (In)1
Bore (In)4
Wrist Pin StylePress or Full Floating
QuantitySet of 8
Piston Head Volume-5cc
Piston StyleFlat Top
Compression Ratio58cc-12.56, 64cc-11.66, 70cc-10.89
Ring Thickness1/16-1/16-3/16"
Piston MaterialForged 4032
Pin Diameter (In)0.927
Part FitmentSemi Universal
Wrist Pin IncludedYes
Snap Rings IncludedYes
Vendor Part Number8180-4000
Package Qty1
Package TypeEA
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