Due to the current COVID-19 related restrictions, all custom items (powder coated/ported items, turbo kits etc)currently have an additional 10-14 days processing time. 
My Account
Shopping Cart 0 item(s)
View Cart
Home > Engine Internals

J series Billet Wiseco Pistons by Er

Part Number 41
review 0 Review(s)
J series Billet Wiseco Pistons by Er
J series Billet Wiseco Pistons by Er
Email a friend Email a friend
Review this item Review this item
Your Price:  
In Stock.
Choose Options
Bore Size
Compression Ratio
Stroke Length (for compression ratio calculation)
Wrist Pin Upgrades
Looking for a set of forged billet pistons that can handle everything you throw at them? Look no further! 

These pistons were painstakingly R&D'd by none other than English Racing, specifically for the J series platform. 

From Drop in stock bore and compression ratio, to 92+mm big bore, 13.5:1 monsters, we have you covered! 

Various sizes currently IN STOCK and ship same day! All other sizes and specs have a standard 6-8 week lead time and 50% deposit is required.  Although all options will show as "in stock" please email or call with your particular combination to verify stock status and lead time. Non stocked pistons are custom order and NOT CANCEL-ABLE/RETURNABLE as per our custom item policy. 

We specialize in J series engine internal design. Feel free to contact us regarding any build ideas you have! We offer complete short/long block assemblies. 

Note Piston Options

The base piston ($999) is a standard piston with no coatings and a standard wall pin. 

The Armor Plating is a gold color and protects against detonation and heat. 

The Armor X is a Black Hard Anodizing and is the top of the line most robust coating made for racing applications. 

Piston Pin options are standard wall, heavy wall, and DLC Coated.