![Forged Dome Top Piston Small Block Chevy 400 [Bore 4.155 in./Stroke 4.000 in.]](https://www.jegs.com/images/mini_750/500/532/532-182027-1r.jpg)
Forged Dome Top Piston Small Block Chevy 400 [Bore 4.155 in./Stroke 4.000 in.]
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- Forged Dome Top Pistons
- Small Block Chevy 400
- Bore 4.155 in. (+.030 in.)
- Stroke 4.000 in.
- Rod Length: 6.000 in.
- Head Volume: 6.2 cc
- Weight: 445 Grams
- Ring Size 1/16, 1/16, 3/16 in.
- Sold Individually, Right Side
Features - Smooth flow for optimum flame travel
- Work with angle-milled heads
- Valve reliefs to accommodate oversized valves and high-lift cams
- JE 51S wrist pins (130g)
- Double spiral locks
- Oil rail support
Specs
- Rod Length 6.000"
- Dome Volume 3cc
- Compression Height 1.000"
- Compression Ratio:
14.7:1 with 58cc head
13.5:1 with 64cc head
11.7:1 with 76cc head
Engineered for the Win
JE high-performance pistons for domestic engines deliver championship-proven technology and race-bred precision to every build. Designed, machined, and inspected in the USA, each piston reflects JE’s legacy of innovation in material science, computer-aided design, and CNC manufacturing. From street performance to all-out competition, these pistons provide the strength, consistency, and thermal stability demanded by serious engine builders. Choose from configurations tailored to popular GM, Ford, and Mopar platforms, with compression ratios, coatings, and ring options engineered for maximum efficiency, reliability, and power.