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![8860-4040 SX-Series Flat Top Piston Set for 1962-2001 Small Block Ford 289-302, 4.040 in. Bore, -5cc Volume [Stroker]](https://www.jegs.com/images/mini_750/900/915/915-8860-4040.jpg)
Vehicle Info NeededDSS RACINGPART NUMBER: 915-8860-4040
8860-4040 SX-Series Flat Top Piston Set for 1962-2001 Small Block Ford 289-302, 4.040 in. Bore, -5cc Volume [Stroker]
$68995
Ships on 09/15/2026
Lowest Price GuaranteeFord Small Block
SX-Series Flat Top Piston Set1962-2001 Small Block Ford 289-302 Bore: 4.040 in. Head Volume: -5cc Material: Forged 4032 Pin Diameter: .912 in. Pin Style: Press or Full Float Ring Thickness: 1/16-1/16-3/16 in. Stroker Set of 8
DSS Racing 8860-4040 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-DM400-4040
- Ring Series: DM400
- Fits Base Engine: 347 Stroker
- Cylinder Head Style: 20-Degree Inline & Twisted Wedge
- Compression Ratio: 58cc-11.01, 64cc-10.24, 70cc-9.57
- Calculated Zero Deck: 8.19
- Compression Height: 1.09 in.
- Rod Length: 5.4 in.
- Stroke: 3.4 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: 3
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)1.09
Bore (In)4.04
Wrist Pin StylePress or Full Floating
QuantitySet of 8
Piston Head Volume-5cc
Piston StyleFlat Top
Compression Ratio58cc-11.01, 64cc-10.24, 70cc-9.57
Ring Thickness1/16-1/16-3/16"
Piston MaterialForged 4032
Pin Diameter (In)0.912
Part FitmentSemi Universal
Wrist Pin IncludedYes
Snap Rings IncludedYes
Vendor Part Number8860-4040
Package Qty1
Package TypeEA
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