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K1-5003-4050 390 FE K1-FX Series -10cc FE Dish Top Piston Set. 4.050 bore
K1-5003-4050  390 FE K1-FX Series -10cc FE Dish Top Piston Set. 4.050 bore


 
PRICE: $749.95


Product Code: K1-5003-4050


PISTON PIN OPTIONS:
High Strength Steel wrist
Upgrade to XP Extreme Duty Wrist Pins, Recommended for Engines over 1000 HP. [Add $295.00]

PISTON SKIRT COATING OPTIONS:
No Optional Coating
Apply 3 Step Ceramic Thermal Barrier to the Piston Crown and Friction Reducing Coating to Skirt's [Add $550.00]
Upgrades

Available Upgrades:
Add D.S.S. billet X aluminum Main Support System KIT [Add $379.95]

CHOOSE YOUR CYLINDER BORE SIZE*:
4.050" bore
4.080" bore
4.090" bore
4.110" bore
Custom Bore Size Option. Specify desired Bore size in the note section of shopping cart. [Add $80.00]
Ring Upgrade Options

DSS Racing Ductlle moly File to fit Rings
XP Ring upgrade ( Extreme power ) [Add $150.00]

Qty:  
Description Video
 
390 FE K1-FX 4032 Alloy With Rings  Comp Hgt: 1.775"  -10cc FE Dish Top Pin: .975  Ring Grooves: 1/16-1/16-3/16"  Stroke: 3.784" Rod: 6.489" Boost and NOS Ready! (Moderate to High Levels)   Aprox Comp Ratio: 65cc-10.6, 72cc-9.8, 76cc-9.5
Features
  • Strong, Endurance Minded, Wear Resistant, Low Maintenance, 4032 Alloy
  • Proprietary "DMAX" Multi Stage Forging Process, Produces' a Superior Forging
  • Patented "X Groove" Skirt for Superior Cylinder & Ring Performance & Durability
  • Advanced Ring Lands Featuring a Combination of Accumulators and Drilling Ops.
  • 6 additional areas of CNC milling for weight reduction in non critical areas.
  • Thinner Ring Grooves Maximize Critical Ring Land Strength
  • Larger CNC Machined Valve Reliefs for More Aggressive Head & Cam Combinations
  • DSS Heavy Duty 8720 Bearing Steel Piston Pins
  • Precision Diamond-Turned Skirts
  • Double True Arc Pin Locks, Provide Redundancy
  • Drilled Forced Wrist Pin Oiling
  • Drilled Bottom Ring Land Intersecting Oil Drain Backs
  • Advanced Profile Precision Diamond-Turned Skirts
  • Forged and Machined in Saint Charles Illinois USA!
  • Boost and NOS Ready! (Moderate to High Levels)