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2-6105-4080 389 Early Pontiac 2-FX Series -14cc Early Dish Top Piston Set. 4.080 bore
CHOOSE YOUR CYLINDER BORE SIZE
Custom Bore Size Option. Specify desired Bore size in the note section of shopping cart. [Add $80.00]
PISTON AND RING KIT OPTIONS::
K Kit - Pistons above with matching DSS ductile moly ring Set in a kit. [Add $159.00]
K Kit - Pistons with matching DSS ductile moly, file fit ring set. ( File fitting rings required ) [Add $159.00]
K Kit - Pistons with matching DSS XP Extreme power adder ring set [Add $309.00]
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]
PISTON ALLOY AND SERIES OPTIONS
4032 Alloy 1-FX Forged Pistons.
2618 Alloy 2-FX Forged Pistons.
2618 Alloy 3-FX Forged Pistons ( Includes Horizontal Gas Porting and XR Extreme Duty Pins. [Add $180.00]
389 Early Pontiac 2-FX Series 2618 Alloy Comp Hgt: 1.710" -14cc Early Dish Top Pin: .980 Ring Grooves: 1/16-1/16-3/16" Stroke: 3.750" Rod: 6.625" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 72cc-9.49, 78cc-8.98, 85cc-8.47
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.
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)
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