This is a set of six (6) Buckshot Racing #77 Super Sport Piston Kits for the Mercury 2.5 Liter Pro Stock and River Racing.  Our custom-made Cast Super Sport Race Piston Kits are designed with a Higher Ring Land for higher compression and the Thinner Ring (1.5MM) Mercury Super Sport applications.
 
The pistons are manufactured in the Americas (by a company with over 60 years of experience serving over 60 major OEM manufacturers) to OEM standards including 100% new and virgin Aluminum, silicon, nickel,  magnesium alloy, auto-thermal rings to control piston expansion, cooling channel, thermal treatment for solubilization, tinning, anodizing, graphitizing, and armor coating.
 
Our Super Sport Piston Kits include: six (6) Coated Pistons (choose your bore size), twelve (12) 1.5MM Thin Rings for Steel Bore, six (6) Slip Fit Wrist Pins, and twelve (12) CirClips.
 
Optional: We offer an upgrade to Race Lighten Slip Fit Wrist Pins. You can select at checkout for $200.
 
Select: 1) Standard Bore, 2) Plus .015 Bore, or 3) Plus .030 Bore
 
The following Mercury Rings also fit these piston kits:
 
1) Mercury Gold Rings for Nik or Steel Sleeves OEM part number 39-848200A12
2) Mercury Steel Sleeve Rings (Standard) 39-840684A12
3) Mercury Steel Sleeve Rings (Plus .015) 39-841139A12
 
Contact Mike Hill at +1-714-697-1716 or email mike@buckshotracing77.com for technical support.