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6635x 390 AMC GSX Forged Piston (3.574" Stroke x 5.858" Rod) -25cc Dish
Reg Price: $853.60
You save $153.65!
Choose your cylinder bore size
Piston Skirt Options
No Optional Coating
Coating Option: Apply Ceramic Thermal barrier to the crown + friction reducing coating to skirts. [Add $550.00]
PISTON PIN OPTIONS
High Strength Steel wrist pin for moderate applications up to 800 HP
Upgrade to Tool steel wrist pin. suggested for Endurance, High RPM and or applications over 800 HP [Add $295.00]
PRK ( PISTON AND RING KIT OPTIONS)
Pistons,Pins and Pin locks only
Pistons above in a matching PRK kit with DSS Racing Ductile Moly rings. [Add $149.95]
Pistons above in a matching PRK kit with DSS Racing Ductile Moly file fit rings. [Add $149.95]
Pistons above in a matching PRK kit with DSS Racing Xtreme Power Adder file fit rings [Add $295.00]
390 AMC GSX Forged Piston Set of 8 Includes Full Floating Pins & Locks (3.574" Stroke x 5.858" Rod) -25cc Dish, 1.590" Comp Hgt, 1.000" Pin, 1/16 1/16 3/16" ring grooves. Approx Comp Ration (50cc Head = 10.25 to 1) (54cc Head = 9.83 to 1) (58cc Head = 9.46 to 1).
MADE IN THE U.S.A.