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K3-3971-4000 400M SBF 400M K3-FX Series -13cc Dish Top BOSS/Canted Piston Set. 4.000 bore
K3-3971-4000  400M SBF 400M K3-FX Series -13cc Dish Top BOSS/Canted  Piston Set. 4.000 bore


 




Free ring upgrade details: For a limited time,when you purchase a FX series piston and ring kit (K Kit) from this page. You will recieve a Free upgrade to DSS Racing XP rings. The XP series ring features Gas nitriaded steel top rings. Napier second ring and a flex vent oil ring. This ring set normally sells for $299.95. The Free upgrade is a $149.95 value!

PRICE: $929.95


Product Code: K3-3971-4000


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]

CHOOSE YOUR CYLINDER BORE SIZE*:
4.000" bore
4.030" bore
4.040" bore
4.060" bore
Custom Bore Size Option. Specify desired Bore size in the note section of shopping cart. [Add $80.00]

Qty:  
Description Video
 
400M SBF 400M K3-FX 2618 Alloy With Rings  Comp Hgt: 1.710"  -13cc Dish Top BOSS/Canted  Pin: .975  Ring Grooves: 1.2/1.2/3MM  Stroke: 4.000"  Rod: 6.580" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels)  Aprox Comp Ratio: 58cc-11.4, 61cc-11.0, 64cc-10.7
Features
  • Strong, Heat Resistant 2618 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.
  • Ten top Land Horizontal Gas Ports For the Ultimate In Ring seal and Performance
  • 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 XR 9310 or H-13 Steel Heavy Wall Piston Pins
  • Precision CNC Honed Pin Bores
  • Precision Diamond-Turned Skirts
  • Double Spiro lock 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 Extreme Levels)