![K8190-4000 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-k8190-4000.jpg)
K8190-4000 SX-Series Flat Top Piston Set for 1955-2004 Small Block Chevy, 4 in. Bore, -5cc Volume [Stroker]
DSS Racing K8190-4000 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)
- Includes matching DSS Racing Ductile Moly ring set.
- Ring Set Required: RS-DM400-4000
- Ring Series: DM400
- Fits Base Engine: 383
- Cylinder Head Style: 23-Degree
- Compression Ratio: 58cc-11.98, 64cc-11.13, 70cc-10.40
- Calculated Zero Deck: 9
- Compression Height: 1.4 in.
- Rod Length: 5.7 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.
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