customercare@ajusa.com

Free shipping on all orders over $99

My Account
800-877-1911
0 My Cart: $0.00

Your cart is currently empty.

Continue shopping
Total: $0.00
View cart
Toggle menu
0

JE Pistons

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.

JE Pistons has continued to evolve their manufacturing processes, currently offering racing pistons either off the shelf or fully custom. JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE’s 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.

× Close
Categories
JE Pistons Yamaha FX SHO Piston Kit Quick View
JE Pistons

JE Pistons Yamaha FX SHO Piston Kit

$1,149.99
JEP292314
Engine Components JE Pistons Misc Powersports Piston Sets - Powersports Uncategorized
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged powersports...
JE Pistons Honda CRF250 PRO Piston Single Quick View
JE Pistons

JE Pistons Honda CRF250 PRO Piston Single

$349.99
JEP291517S
Engine Components JE Pistons Misc Powersports Pistons - Forged - Single
JE Pistons Honda CRF250 PRO Piston Single
JE Pistons Honda CRF250 PRO Piston Kit Quick View
JE Pistons

JE Pistons Honda CRF250 PRO Piston Kit

$309.99
JEP291517
Engine Components JE Pistons Misc Powersports Piston Sets - Powersports Uncategorized
JE Pistons Honda CRF250 PRO Piston KitThis Part Fits: Year Make Model Submodel 2010-2015 Honda CRF250R Base
JE Pistons Honda CRF250 PRO Piston Single Quick View
JE Pistons

JE Pistons Honda CRF250 PRO Piston Single

$349.99
JEP291516S
Engine Components JE Pistons Misc Powersports Pistons - Forged - Single
JE Pistons Honda CRF250 PRO Piston Single
JE Pistons Honda CRF250 PRO Piston Kit Quick View
JE Pistons

JE Pistons Honda CRF250 PRO Piston Kit

$309.99
JEP291516
Engine Components JE Pistons Misc Powersports Piston Sets - Powersports Uncategorized
JE Pistons Honda CRF250 PRO Piston KitThis Part Fits: Year Make Model Submodel 2010-2015 Honda CRF250R Base
JE Pistons Honda CRF250 PRO Piston Single Quick View
JE Pistons

JE Pistons Honda CRF250 PRO Piston Single

$349.99
JEP291515S
Engine Components JE Pistons Misc Powersports Pistons - Forged - Single
JE Pistons Honda CRF250 PRO Piston Single
JE Pistons Honda CRF250 PRO Piston Kit Quick View
JE Pistons

JE Pistons Honda CRF250 PRO Piston Kit

$309.99
JEP291515
Engine Components JE Pistons Misc Powersports Piston Sets - Powersports Uncategorized
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its range of Pro Series pistons. Pro...
JE Pistons Honda CRF450 02-08 Piston Single Quick View
JE Pistons

JE Pistons Honda CRF450 02-08 Piston Single

$374.99
JEP291514S
Engine Components JE Pistons Misc Powersports Pistons - Forged - Single
JE Pistons Honda CRF450 02-08 Piston Single
JE Pistons Honda CRF450 02-08 Piston Kit Quick View
JE Pistons

JE Pistons Honda CRF450 02-08 Piston Kit

$329.99
JEP291514
Engine Components JE Pistons Misc Powersports Piston Sets - Powersports Uncategorized
JE Pistons Honda CRF450 02-08 Piston KitThis Part Fits: Year Make Model Submodel 2002-2008 Honda CRF450R Base 2005-2017 Honda CRF450X Base
JE Pistons Honda CRF450 PRO Piston Kit Quick View
JE Pistons

JE Pistons Honda CRF450 PRO Piston Kit

$329.99
JEP291513
Engine Components JE Pistons Misc Powersports Piston Sets - Powersports Uncategorized
JE Pistons Honda CRF450 PRO Piston KitThis Part Fits: Year Make Model Submodel 2009-2012 Honda CRF450R Base
JE Pistons Yamaha YZ450F 14 to 1 Piston Single Quick View
JE Pistons

JE Pistons Yamaha YZ450F 14 to 1 Piston Single

$374.99
JEP291512S
Engine Components JE Pistons Misc Powersports Pistons - Forged - Single
JE Pistons Yamaha YZ450F 14 to 1 Piston Single
JE Pistons Yamaha YZ450F 14 to 1 Piston Kit Quick View
JE Pistons

JE Pistons Yamaha YZ450F 14 to 1 Piston Kit

$329.99
JEP291512
Engine Components JE Pistons Misc Powersports Piston Sets - Powersports Uncategorized
JE Pistons Yamaha YZ450F 14 to 1 Piston KitThis Part Fits: Year Make Model Submodel 2010-2013 Yamaha YZ450F Base
Show More
Items 1057 to 1068 of 4984 total
compare
×

Someone recently bought a

We use cookies to improve your experience on our website. Read about how we use cookies in our Privacy Policy. By browsing this website, you agree to our use of cookies. privacy policy
accept

Your cart

×