No more waiting for custom pistons. These pistons are specifically designed to handle the 7000+ horsepower generated by Top Fuel engines. They come Kool Coated at no extra charge. The ring grooves are precision machined to accept Dykes D017 top rings, 1/16 second ring, and 3/16 oil rings. Pins, buttons, and rings must be purchased separately.

Includes:

• Pin fitting (1.156 pin diameter)

Specifications:

• Part #: J207489
• Bore: 4.187
• Compression Height: 1.720
• Gram Weight: 808
• Recommended Top Ring: J14185-5-017HPD

With over 60 years of experience, JE Pistons is the leader in high performance forged pistons. We've built a reputation that the competition can only follow. JE has a history of manufacturing the highest quality pistons and components that professional engine builders, race teams, and high performance enthusiasts trust and rely on.

The top engine builders in NASCAR, ALMS, NHRA, AMA Supercross and others choose JE Pistons over any other brand. For over 60 years, JE's position at the forefront of performance piston manufacturing has been a result of continuous research and development of unique materials, piston designs and technologies. Utilising State-Of-The-Art CNC machines for manufacturing along with purpose-designed forgings, JE is able to maintain exacting specifications on each and every piston and hold tolerances to millionths of an inch. Also available from JE is industry-leading processes like Ultra Crown, a Digital Three Dimensional piston crown machining process and Finite Element Analysis (FEA). FEA is a computer process whereby stress and fatigue are tested on a computer model before it goes into production. JE is the only performance piston manufacturer to earn the QS-9000 quality standard which confirms that JE provides customers the highest standards in quality control. In addition, we also have State-Of-The-Art inspection equipment and testing equipment which enables us to constantly bring you, the customer, the very latest in piston design configurations.

Product Reviews for J207489 - JE