JE ULTRA SERIES -5cc FLAT TOP Pistons Set | 4.010" Bore x 4.00" Stroke x 6.125" Rod

JE ULTRA SERIES -5cc FLAT TOP Pistons Set | 4.010" Bore x 4.00" Stroke x 6.125" RodLSX Performance Parts proudly offer the biggest range in high performance pistons sets. JE Pistons have been setting the benchmark in performance & motorsport pistons set for decades & are the go to for those looking to achieve a specific goal with your LS build. Wether it be a mild street build OR an all out MAX effort race build, JE have a piston to exceed your expectations! JE Pistons Ultra Series pistons combine all of the best, most desirable

LSX Performance Parts proudly offer the biggest range in high performance pistons sets.
JE Pistons have been setting the benchmark in performance & motorsport pistons set for decades & are the go-to for those looking to achieve a specific goal with your LS build.
Wether it be a mild street build OR an all out MAX effort race build, JE have a piston to exceed your expectations!
JE Pistons Ultra Series pistons combine all of the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick-wall wrist pins, and a revolutionary new forging technology for the ultimate in strength. They are ready for massive power and boost right out of the box!

Your New JE ULTRA SERIES Pistons Kit Includes
- 1 x Set of 8 4.010" JE ULTRA SERIES Flat Top Pistons;
- 3D milling on piston crowns & ready to install finish;
- Thermal Barrier Coated Crown;
- Premium wrist pins & roundwire locks included;
- Moly skirt coating for friction loss & skirt wear protection;
- Dedicated Forged Side Relief (FSR) forgings;
- Lightweight, extremely durable & machined for modern 1.5mm, 1.5mm, 3.0mm performance ring sets (RINGS NOT INCLUDED);

JE ULTRA SERIES Piston Specs
Bore 4.010"
Stroke 4.00"
Rod Length 6.125"
Forging type Forged Aluminum
Rings Pro Seal
Compression Height 1.115"
Wrist Pin Diameter .927"
Piston Material 2618 Alloy
Piston Style Flat Top with 2 x Valve Reliefs
Volume - 5cc
Ring Stack 1.5mm x 1.5mm x 3.0mm

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