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Athena Forged Piston Kit - 66, Athena Forged Piston Kit - 67

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640011B Manufacturer: Athena Dennis Kirk Part #: 130052SB Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640011B - 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.. S4F06640011B 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640011B

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640011C Manufacturer: Athena Dennis Kirk Part #: 130052SC Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640011C - 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.. S4F06640011C 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640011C

$145.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640012A Manufacturer: Athena Dennis Kirk Part #: 130053S Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640012A - 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).. S4F06640012A 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640012A

$145.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640012B Manufacturer: Athena Dennis Kirk Part #: 130053SB Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640012B - 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.. S4F06640012B 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640012B

$145.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640012C Manufacturer: Athena Dennis Kirk Part #: 130053SC Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640012C - 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.. S4F06640012C 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640012C

$145.99 Engine & Transmission: Athena Forged Single-Ring Piston Kit - 66.34mm Bore S4F06640013A Manufacturer: Athena Dennis Kirk Part #: 130054S Athena Forged Single-Ring Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640013A - 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).. S4F06640013A 1 on hand More Info/Options for Athena Forged Single-Ring Piston Kit - 66.34mm Bore S4F06640013A

$145.99 Engine & Transmission: Athena Forged Single-Ring Piston Kit - 66.34mm Bore S4F06640013B Manufacturer: Athena Dennis Kirk Part #: 130054SB Athena Forged Single-Ring Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640013B - 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.. S4F06640013B 1 on hand More Info/Options for Athena Forged Single-Ring Piston Kit - 66.34mm Bore S4F06640013B

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640017A Manufacturer: Athena Dennis Kirk Part #: 131291S Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640017A - 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).. S4F06640017A 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640017A

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640017B Manufacturer: Athena Dennis Kirk Part #: 131291SB Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640017B - 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.. S4F06640017B 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640017B

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640018A Manufacturer: Athena Dennis Kirk Part #: 131292S Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640018A - 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).. S4F06640018A 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640018A

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640018B Manufacturer: Athena Dennis Kirk Part #: 131292SB Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640018B - 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 .000 in. (four-ten-thousandths inch). It is intended for slightly worn cylinders. Please be sure this is what you need before ordering.. S4F06640018B 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640018B

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640018C Manufacturer: Athena Dennis Kirk Part #: 131292SC Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640018C - 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.. S4F06640018C 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640018C

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640019A Manufacturer: Athena Dennis Kirk Part #: 131297S Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640019A - 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).. S4F06640019A 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640019A

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640019B Manufacturer: Athena Dennis Kirk Part #: 131297SB Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640019B - 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.. S4F06640019B 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640019B

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640019C Manufacturer: Athena Dennis Kirk Part #: 131297SC Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640019C - 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.. S4F06640019C 1 on hand More Info/Options for Athena Forged Piston Kit - 66.34mm Bore S4F06640019C

$127.99 Engine & Transmission: Athena Forged Piston Kit - 66.34mm Bore S4F06640020A Manufacturer: Athena Dennis Kirk Part #: 131290S Athena Forged Piston Kit - 66.34mm Bore: Manufacturer part # S4F06640020A - 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).. S4F06640020A