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JE History


The origins of what we know today as JE Pistons can be traced back to 1912 and the Los Angeles foundry of William Jahns Sr. and his company W.H. Jahns. Employing the tagline, “Nothing but Pistons,” the W.H. Jahns company produced pistons and semi-finished pistons until 1948, when Jahns Sr. retired. Meanwhile, Jahns’ son, William “Uncle Bill” Jahns Jr., started and had been working on his company Jahns’ Racing Pistons since 1947. Shortly after, the business became Jahns’ Engineering Pistons, and was finally shortened to JE Pistons.

Through the following years, JE Pistons’ technology evolved, from mastering casting technology in the 60s to researching and implementing forging technology in the 70s. Numerical Controlled (NC) machines were introduced to manufacturing in the early 80s, which was quickly improved to the use of Computer Numerical Controlled (CNC) machines and a proprietary piston design and machining program in the mid-80s.

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1 day ago

Another VW 2.0L TSI rebuild getting equipped with a fresh set of JE Pistons 🏁 JE sport compact piston designs are specifically engineered for extreme applications found in professional competition. The higher compression ratios, turned up boost, and heavy nitrous usage necessitate the higher tensile strength found in our 2618 aluminum alloy.

📷: UPitech CPi Performance

#Pistons #forgedpistons #je #vw #volkswagon #vw20tsi #mk7r #enginebuild #jepistons
... See MoreSee Less

Another VW 2.0L TSI rebuild getting equipped with a fresh set of JE Pistons 🏁 JE sport compact piston designs are specifically engineered for extreme applications found in professional competition. The higher compression ratios, turned up boost, and heavy nitrous usage necessitate the higher tensile strength found in our 2618 aluminum alloy. 

📷: UPitech CPi Performance 

#pistons #forgedpistons #je #vw #volkswagon #vw20tsi #mk7r #enginebuild #jepistons
3 days ago

The Chef 👨‍🍳 had the burners on HIGH in Seattle! 🔥 Dominant win for Levi Kitchen #PoweredByJE #jepistons

#supercross #sx #SMX #supermotocross #je #forgedpistons #racingpistons #procircuit #kawasaki #SeattleSX #moto #mx
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The Chef 👨‍🍳 had the burners on HIGH in Seattle! 🔥 Dominant win for @_levikitchen #PoweredbyJE #JEpistons   

#supercross #sx #smx #supermotocross #je #forgedpistons #racingpistons #procircuit #kawasaki #seattlesx #moto #mxImage attachmentImage attachment+3Image attachment
1 week ago

We prioritize quality just as much as performance. Once our pistons are forged and machined in our US based facility, they are sent to our in-house quality lab for inspection. Our Zeiss CMM (coordinate measuring machine) equipment is used to examine the pistons for critical dimensions to ensure a quality product in every box. #jepistons #quality #performance ... See MoreSee Less

We prioritize quality just as much as performance. Once our pistons are forged and machined in our US based facility, they are sent to our in-house quality lab for inspection. Our Zeiss CMM (coordinate measuring machine) equipment is used to examine the pistons for critical dimensions to ensure a quality product in every box. #JEpistons #quality #performance
1 week ago

Piston skirt coatings are purpose-designed to enhance the base piston material in a specific way. Some coatings increase thermal protection, others, lubricity. The uniform idea behind each is a that the coating offers some innate advantage raw aluminum does not. Take a brief look at our range of skirt coatings and discover which is right for your next build.

✅ TUFF SKIRT - Our trademark coating that is a lubricating, anti-friction/anti-wear coating applied to the piston skirt only. Unlike our standard Skirt Coating, Tuff Skirt will not wear and is designed to withstand many different types of endurance applications.

✅ Perfect Skirt - Three-times thicker than traditional skirt coatings to allow racing pistons to have tighter piston-to-wall clearances similar to OEM applications. This decreases piston noise on startup and reduces cylinder bore wear as it continuously conforms to the shape of your cylinder's bore.

✅ KoolKote - An aerospace quality hard anodize applied to all surfaces of the piston with a buildup of .001. This coating will withstand greater temperatures and will not flake, chip or peel. Commonly found in use for nitro-methane engines to endure the extreme corrosive effects associated with that fue#techtipsh#Pistonss#forgedpistonss#pistontechn#jeh#jepistonsstons
... See MoreSee Less

Piston skirt coatings are purpose-designed to enhance the base piston material in a specific way. Some coatings increase thermal protection, others, lubricity. The uniform idea behind each is a that the coating offers some innate advantage raw aluminum does not. Take a brief look at our range of skirt coatings and discover which is right for your next build. 

✅ TUFF SKIRT - Our trademark coating that is a lubricating, anti-friction/anti-wear coating applied to the piston skirt only. Unlike our standard Skirt Coating, Tuff Skirt will not wear and is designed to withstand many different types of endurance applications.

✅ Perfect Skirt - Three-times thicker than traditional skirt coatings to allow racing pistons to have tighter piston-to-wall clearances similar to OEM applications. This decreases piston noise on startup and reduces cylinder bore wear as it continuously conforms to the shape of your cylinders bore. 

✅ KoolKote - An aerospace quality hard anodize applied to all surfaces of the piston with a buildup of .001. This coating will withstand greater temperatures and will not flake, chip or peel. Commonly found in use for nitro-methane engines to endure the extreme corrosive effects associated with that fuel. 

#techtips #pistons #forgedpistons #pistontech #je #jepistonsImage attachmentImage attachment+1Image attachment
1 week ago

Proud to be partners in performance with Hendry's Performance Enginesgines. Some freshly-forged jewelry ready to make some po#jepistonspoweredwered ... See MoreSee Less

Proud to be partners in performance with Hendrys Performance Engines. Some freshly-forged jewelry ready to make some power. #JEpistonsPoweredImage attachmentImage attachment+4Image attachment

1 CommentComment on Facebook

Thanks heaps for consistently supplying us with the best pistons on the market guys.

2 weeks ago

Only the finest custom #jepistons for IAG Performance builds 🔥🔥Here is a picture of the IAG Stage X billet aluminum short block, because every time we share pictures you guys seem to like it. Also, my boss wants me to get more shares on social media. You know what to do! 👊 ... See MoreSee Less

Only the finest custom #JEpistons for IAG Performance builds 🔥🔥

2 CommentComment on Facebook

Cleta Platt-Gibson For John.

2 weeks ago

Adding boost or spraying nitrous on your stock bottom end? Stop 🛑 relying on your OEM pistons and start looking to upgrade with a set of JE forged pistons. Our pistons are purpose built to handle the extreme cylinder pressures found in high-performance engines, bringing unmatched strength and durability over any cast OEM piston!

#repost Doritech Motorsport Ready for assembly - JE Racing Pistons and OEM connecting rods from S54B32 BMW E46 M3 #jepistons #s54b32 #enginebuild #s54 #e46m3
... See MoreSee Less

Adding boost or spraying nitrous on your stock bottom end? Stop 🛑 relying on your OEM pistons and start looking to upgrade with a set of JE forged pistons. Our pistons are purpose built to handle the extreme cylinder pressures found in high-performance engines, bringing unmatched strength and durability over any cast OEM piston! 

#repost @doritech_motorsport Ready for assembly - JE Racing Pistons and OEM connecting rods from S54B32 BMW E46 M3 #jepistons #s54b32 #enginebuild #s54 #e46m3Image attachment
2 weeks ago

All new SRP Pro 2618 pistons for Two barrel Hobby Stock, Sport Mod and Stock Car racers! This piston series provides the outstanding durability of 2618 aluminum alloy and includes features such as lightweight forged side relief (FSR) forgings, precision CNC machined ring grooves and skirts, high quality wrist pins, and JE Pro Seal premium piston rings. A complete piston racing package available off-the-shelf that won't break the bank!

Part numbers and product specs found in the link below!

www.jepistons.com/je-auto-blog/srp-pro-2-barrel-circle-track/
... See MoreSee Less

All new SRP Pro 2618 pistons for Two barrel Hobby Stock, Sport Mod and Stock Car racers! This piston series provides the outstanding durability of 2618 aluminum alloy and includes features such as lightweight forged side relief (FSR) forgings, precision CNC machined ring grooves and skirts, high quality wrist pins, and JE Pro Seal premium piston rings. A complete piston racing package available off-the-shelf that wont break the bank! 

Part numbers and product specs found in the link below! 

https://www.jepistons.com/je-auto-blog/srp-pro-2-barrel-circle-track/Image attachmentImage attachment
2 weeks ago

Rebuilds are in constant rotation for #arenacross! Fresh JE Pro Series slugs going in for the Motonation Suzuki Arenacross team 🌀

#Pistons #forgedpistons #je #AX #arenacross #suzuki #MotoNation #dirtbike #dirtbikerebuild #ProSeries #jepistons
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Rebuilds are in constant rotation for #Arenacross! Fresh JE Pro Series slugs going in for the @motonationsuzukiarenacross team 🌀 

#pistons #forgedpistons #je #ax #arenacross #suzuki #motonation #dirtbike #dirtbikerebuild #proseries #jepistonsImage attachmentImage attachment
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