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  JE Piston Coatings
Get an even better piston with our Piston Coatings, exclusively available for JE Pistons!
- increase performance
- extend the life of your pistons
- includes Top Fuel racing applications (KoolKote coating)
We offer all the following Piston Coatings for JE Pistons. Please call us at (603) 378-0090 or email us to order pistons with one of these coatings. We carry the complete line of JE Pistons and if you don't see what you need off the shelf, we can make you custom pistons.

Side Coatings Only: $39.99 (per piston)
Side and Top Coating: $49.99 (per piston)
  1) Top Groove Hard Anodize (GC)

This coating has proven to increase power output by allowing for extremely tight ring clearances. Available exclusively to top-level racing teams until now, this top ring groove coating creates a hard mating surface which virtually eliminates micro-welding while decreasing ring groove wear. Buildup is .00025" per surface and clearance must be added during manufacturing to accommodate the change.
  2) Skirt Coating (SC)

This is a "break-in" coating applied to the skirt of the piston only, designed to show wear. This coating is a .0003" to .0005" thick spray-on dry film that will help reduce friction and inhibit galling. No manufacturing allowance is required as this application is made to wear in to the cylinder wall.
  3) Thermal Barrier Crown (CC)

The thermal barrier crown coating is applied to the top of the piston and is designed to reflect heat into the combustion chamber, thereby increasing exhaust gas velocity and greatly improving scavenging potential. The .0015" thick coating can also assist in extending piston life by decreasing the rate of thermal transfer.
  4) KoolKote (KK)

KoolKote is an aerospace quality hard anodize applied to all surfaces of the piston with a buildup of .001". This coating is designed for use in nitro-methane engines such as Top Fuel Drag Racing to endure the corrosive effects of this fuel type. It will withstand greater temperatures and will not flake, chip or peel. This coating does alter the heat transfer and expansion characteristics of the piston. Consult the JE Pistons technical department for specific applications. Manufacturing allowances are required on all surfaces.
  5) Tuff Skirt (TS)

Tuff Skirt is a JE Pistons' 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, similar to those commonly found in NASCAR. Buildup is .0005" per surface and finished diameter of skirt should include the coating buildup.
  6) Anodize Option B (AB)

Offers twice the buildup of the standard process (.0005" per surface). Through extensive R & D and field-testing, the Option B process has shown to be more durable in maximum effort, high endurance applications. Appropriate manufacturing allowances apply.
  7) Anodize Option C (AC)

This coating is the same material as the Anodize Option B except is applied to the wrist pin bore instead of the top ring groove. This coating provides increased lubricity, smoother oil transfer, and better wear in the pin bore. The wrist pin hole must be honed both before and after anodizing.
  8) Oil Shed Coating (OS)

This coating is applied to the underside of the piston. It is intended to reduce the reciprocating weight by repelling oil quicker than an untreated part. No additional manufacturing is required.

Sales/Tech Line: (603) 378-0090
Email: info@ImportPerformanceParts.net

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*All prices on this site are subject to change without notice. Import Performance Parts™ disclaims responsibility for any printing or typographical errors, and does not guarantee that all information is accurate.

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