.040 over forged flat-top pistons.
 
These provide twice the life and durability of ANY cast piston and are much lighter. 
lighter=faster rev's and less bearing wear for long engine life!   
 
Modern dimension, extremely high quality rings included. Stainless top/iron second.
 
Moly coated skirts at no additional charge.  Premium USA production pistons.
 
Rings, pins, circlips included
 
Top quality USA production.