Ultra Series forged pistons from JE are the industry?s strongest, most fully featured pistons available off the shelf. Offered for a wide range of import and sport compact applications from 2JZ to 4G63 and Audi to BMW, Ultra Series pistons feature JE?s proprietary Aligned Grain Flow forging technology providing next-level tensile strength ideal for the extreme cylinder pressures of power adder engine builds. Equipped with custom level features including thermal barrier crown coating, skirt coating, gas ports, and more, Ultra Series are the ideal pistons for your high-boost build. As with all JE Pistons products, Ultra Series pistons are made 100% in the USA.
Subaru EJ257
Documents
Attributes
Piston Series: | JE Ultra Series |
Cylinder Head: | EJ257 STI |
Bore Diameter: | 99.75 MM |
Piston Head Type: | Dish |
Compression Height: | 1.209 IN |
Piston Volume: | -16.90 CC |
Piston Material: | 2618 |
Forging Type: | FSR |
Piston Average Weight: | 427 GR |
Ring Set Included: | Yes |
Top Compression Ring Thickness: | 0.0475 IN |
Second Compression Ring Thickness: | 0.0480 IN |
Oil Ring Thickness: | 0.0995 IN |
Wrist Pin Material: | 9310 Nickel Carbon Steel Alloy |
Wrist Pin Outer Diameter: | 0.905 IN |
Wrist Pin Length: | 2.250 IN |
Wrist Pin Wall Thickness: | 0.210 IN |
Add-On: | JG4901-3927 |
Add-On: | 905-2250-21-93S |
Add-On: | 905-042-CT |
Make: | Subaru |
Make - Web: | Subaru |
Product Type: | Engine Piston Kit |
Industry: | Automotive |
Product Market: | Sport Compact |
Category Hierarchy: | Auto>JE Ultra Series>Piston Kits>Sport Compact |
Out of Stock Message: | Please Allow Approximately 3 Weeks or Less for Shipping |
Title: | JE Ultra Series - Subaru, EJ Series, 99.75 mm Bore, Piston Kit |
Title - Web: | JE Ultra Series Subaru EJ Series Piston Kit - 99.75 mm Bore - 1.209 in. CH, -16.90 CC |
Prop 65 (C, R or CR): | CR |
Prop 65 Yes/No: | Yes |
Prop 65 - Short Label: | Prop 65 Warning Label.JPG |
Engine Type: | ICE |
Package Information
Orderable Status:YesQuantity:1Package UOM:Smallest Pack (Consumer Level)Package Level GTIN:00193564045416Weight Variance:0.000000000Stacking Factor:0Inner Quantity:0
Extended Information
Country of Origin (Primary):USEmission Code:Off RoadHarmonized Tariff Code (Schedule B):8409919990Life Cycle Status Code:Available to OrderLife Cycle Status Description:Available to OrderMSDS Required Flag:NoNAFTA Preference Criterion Code:Criteria BNational Popularity Code:Top 60% of Product Group Sales Value (Units x $, Hits, etc.)National Popularity Description:Top 60% of Product Group Sales Value (Units x $, Hits, etc.)Refurbished Part:NoRemanufactured Part:NoWarranty Time:30Warranty Time UOM:Day
JE Pistons
With racing roots dating back over 70 years, JE Pistons is the industry leader in high-performance forged pistons. JE’s performance and quality is the result of decades of experience gained working with elite engine builders and racers from almost all types of motorsports competition, and is proven in our victories, championships, and innovations. JE controls every step of our manufacturing process, designing, forging, and machining all our pistons 100% in-house in our USA manufacturing facility. Find the perfect set of pistons for your next build off-the-shelf, or work with our technical experts to create a completely custom set.JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE Pistons 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.