DSS 2020 preview

Features: • Your Choice of aircraft spec 4032 or 2618 Alloy • Thinner ring grooves for maximum strength! • Patented “X Groove” skirt for superior cylinder and ring life • Light-weight design Additional CNC milling for weight reduction in non critical areas • Larger, deeper CNC machined valve reliefs for more aggressive performance heads and cam combinations • Precision-honed Pin Bores • Heavy-duty Piston Pins • Drilled, forced wrist pin oiling • Drilled bottom ring land intersecting oil groove drain backs • Diamond-turned Skirts • Forged and Machined in the U S A • Blower, Turbo, NOS ready!

FX Piston Features: Pushing the envelope on your engine combination? Need parts that will stand up to the demands of today’s power levels? D.S.S. Racing’s 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 Top quality 4032 or 2618 al- loy, these pistons are a great choice for naturally aspirated, nitrous or boosted combinations. 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 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. D.S.S. F style 4032 and 2618 alloy forgings with internal gusseting that provide superior strength without adding excessive weight. Addi- tional 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 combina- tions paving the way for big power increases! Based on application, FX pistons are commonly used in 450 to 1500 + HP V8 applications. Changing Alloy - Feature Type: DSS FX Part Numbers use a prefix which designates the alloy and features of the part number. (1- prefix parts are 4032 alloy) ** (2- prefix parts are 2618 alloy) ** (3- parts are 2618 alloy with Gas Ports and Extreme Duty Wrist Pins). Example: Part Number: 1-2820-4030 = 4032 Alloy. Heavy Duty Wrist Pins. Part Number: 2-2820-4030 = 2618 Alloy. Heavy Duty Wrist Pins. Part Number: 3-2820-4030 = 2618 Alloy with Gas Ports and XR Extreme Duty Wrist Pins

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