DSS Racing Piston Set 3-6600-4080; FX Series 4.080 in. -5.00 cc Flat Top for 1970 to 1978 AMC 360

$879.95

Part #: 3-6600-4080

Brand: DSS Racing

UPC: 00194403074017

Estimated Ship Date: 5/29/2025 (From manufacturer)

Specifications Videos Recommended Alternative Parts

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Details

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
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)
Recommended ring set - DSS RS-XP400-4080

Product Description

FX Pistons: Pushing the envelope on your engine combination? Need parts that will stand up to the demands of today’s power levels? DSS Racings FX Series piston really increases your horsepower potential without killing the budget. Forged and machined in the U.S.A. with your choice of premium aircraft quality 4032 or 2618 alloy, these pistons are a great choice for naturally aspirated, nitrous or boosted combination’s. FX pistons feature the patented X Groove Skirt design which reduces damage caused by fuel wash down and break-in debris for superior skirt, cylinder and ring life. Thinner ring grooves maximize ring land width and reduce radial groove depth which drastically improves the strength of the piston in the vulnerable ring land area. Advanced ring land features that improve the effectiveness of modern piston ring technology. Low volume top land contact reduction grooves, second land pressure accumulator groove, third land oil accumulator, skirt top oil accumulator which works in conjunction with the drain backs and X Groove. Stroker combination friendly advanced skirt design improves piston stability increasing ring seal while providing quieter operation. DSS F style 4032 and 2618 alloy forgings with internal gusseting that provide superior strength without adding excessive weight. Additional CNC milling removes material in non-critical areas to achieve a lighter weight for the perfect balance of strength, power and longevity. Forced pin oiling, drilled bottom land intersecting oil groove drain backs, pin lock ring removal slot, precision honed piston pin bores, diamond turned high strength skirts and high precision high strength piston pins. Deep CNC valve reliefs allow the use of more aggressive cam and cylinder head combinations paving the way for big power increases! Based on application FX pistons are commonly used in 450 to 1500 + HP V8 applications.

Specifications

Engine Piston Set Model or Series:
FX Series: Year:
1970 to 1978: Make:
AMC: Engine:
360: Bore:
4.080 in.: Stroke:
3.440 in.: Rod Length:
5.875 in.: Compression Height:
1.590 in.: Crown Volume:
-5.00 cc Flat Top: Cylinder Head Volume to Calculate Compression Ratio:
54.00 cc: Compression Ratio:
11.54:1: Pin Diameter:
0.931 in.: Piston Material:
Forged 2618 Alloy: Ring Lands:
1/16, 1/16, 3/16 in.: Gas Porting:
Lateral Gas Porting: Wrist Pin Fitment:
Press Fit or Floating: Rings Included:
No: Notes:
AMC Flat Top: Quantity:
Sold As Set (8/pkg)

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Alternative Parts

DSS Racing Piston and Rings Kit K3-6600-4080; FX Series 4.080 in. -5.00 cc Flat Top for 1970 to 1978 AMC 360

DSSK3-6600-4080

$1,054.95

Estimated Ship Date: 5/29/2025 (From manufacturer)