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Athena - Engine & Transmission

Athena Cast-Lite Flat-Top Piston (53.94mm) S4C05400010A
$82.99 Athena Cast-Lite Flat-Top Piston (53.94mm) S4C05400010A
Manufacturer: Athena
Dennis Kirk Part #: 131430S
Athena Cast-Lite Flat-Top Piston (53.94mm): Manufacturer part # S4C05400010A - Cast-lite flat-top piston for the Works Cylinder kit. 53.94mm bore.. S4C05400010A


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Athena - Engine & Transmission
Athena Forged Double-Ring Piston Kit - 66.34mm Bore S4F06640010A
$122.99 Athena Forged Double-Ring Piston Kit - 66.34mm Bore S4F06640010A
Manufacturer: Athena
Dennis Kirk Part #: 130051S
Athena Forged Double-Ring Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640010A - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm).. S4F06640010A


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Athena - Engine & Transmission
Athena Forged Double-Ring Piston Kit - 66.34mm Bore S4F06640010C
$122.99 Athena Forged Double-Ring Piston Kit - 66.34mm Bore S4F06640010C
Manufacturer: Athena
Dennis Kirk Part #: 130051SC
Athena Forged Double-Ring Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640010C - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). , , This is a fractional oversize piston of .0008 in. (eight-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F06640010C


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Athena - Engine & Transmission
Athena Forged Piston Kit - 102mm Bore S4F102000010
$192.99 Athena Forged Piston Kit - 102mm Bore S4F102000010
Manufacturer: Athena
Dennis Kirk Part #: 1300708
Athena Forged Piston Kit - 102mm Bore: Manufacturer part # S4F102000010 - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm).. S4F102000010


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.92mm Bore S4F05400007A
$101.99 Athena Forged Piston Kit - 53.92mm Bore S4F05400007A
Manufacturer: Athena
Dennis Kirk Part #: 130027S
Athena Forged Piston Kit - 53.92mm Bore: Manufacturer part # S4F05400007A - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm).. S4F05400007A


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.92mm Bore S4F05400007B
$101.99 Athena Forged Piston Kit - 53.92mm Bore S4F05400007B
Manufacturer: Athena
Dennis Kirk Part #: 130027SB
Athena Forged Piston Kit - 53.92mm Bore: Manufacturer part # S4F05400007B - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). This is a fractional oversize piston of .0004 in. (four-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F05400007B


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400001A
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400001A
Manufacturer: Athena
Dennis Kirk Part #: 130021S
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400001A - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm).. S4F05400001A


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400001B
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400001B
Manufacturer: Athena
Dennis Kirk Part #: 130021SB
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400001B - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm).. S4F05400001B


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400001C
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400001C
Manufacturer: Athena
Dennis Kirk Part #: 130021SC
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400001C - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm).. S4F05400001C


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400002B
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400002B
Manufacturer: Athena
Dennis Kirk Part #: 130022SB
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400002B - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). , , This is a fractional oversize piston of .0004 in. (four-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F05400002B


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400002C
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400002C
Manufacturer: Athena
Dennis Kirk Part #: 130022SC
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400002C - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). , , This is a fractional oversize piston of .0008 in. (eight-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F05400002C


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400008C
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400008C
Manufacturer: Athena
Dennis Kirk Part #: 130028SC
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400008C - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). , , This is a fractional oversize piston of .0008 in. (eight-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F05400008C


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400011B
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400011B
Manufacturer: Athena
Dennis Kirk Part #: 130031SB
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400011B - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). , , This is a fractional oversize piston of .0004 in. (four-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F05400011B


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400011C
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400011C
Manufacturer: Athena
Dennis Kirk Part #: 130031SC
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400011C - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). , , This is a fractional oversize piston of .0008 in. (eight-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F05400011C


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400016A
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400016A
Manufacturer: Athena
Dennis Kirk Part #: 131270S
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400016A - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). , ,. S4F05400016A


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400018A
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400018A
Manufacturer: Athena
Dennis Kirk Part #: 131336S
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400018A - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm).. S4F05400018A


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400018B
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400018B
Manufacturer: Athena
Dennis Kirk Part #: 131336SB
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400018B - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). , , This is a fractional oversize piston of .0004 in. (four-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F05400018B


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.94mm Bore S4F05400018C
$101.99 Athena Forged Piston Kit - 53.94mm Bore S4F05400018C
Manufacturer: Athena
Dennis Kirk Part #: 131336SC
Athena Forged Piston Kit - 53.94mm Bore: Manufacturer part # S4F05400018C - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm). , , This is a fractional oversize piston of .0008 in. (eight-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F05400018C


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Athena - Engine & Transmission
Athena Forged Piston Kit - 53.95mm  S4F05400009A
$101.99 Athena Forged Piston Kit - 53.95mm S4F05400009A
Manufacturer: Athena
Dennis Kirk Part #: 130029S
Athena Forged Piston Kit - 53.95mm : Manufacturer part # S4F05400009A - High quality 2- and 4-stroke pistons. 2-stroke pistons are 4032 silicium construction. 4-stroke pistons are 2618 silicium construction ? same material used to produce Formula 1 pistons. Both include 3 percent copper for better heart resistance. Precision heat-treatment forging process allows for production tolerances of just .005mm. All tooling allows for the lightest available product. Includes anti-wear coated piston, rings, pin and circlip. 2-stroke rings fit OEM pistons also. Made in Germany. Sold as each. HOW TO ORDER PISTONS S is Standard. SB is +.0004 in. (.01 mm). SC is +.0008 in. (.02mm). 1 is +.010 in. (.25mm). 2 is +.020 in. (.50mm). 3 is +.030 in. (.75mm). 4 is +.040 in. (1.0mm). 5 is +.050 in. (1.25mm). 6 is +.060 in. (1.50mm). 8 is +.080 in. (2mm).. S4F05400009A


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Athena - Engine & Transmission