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$127.99
130063S Athena Forged Piston Kit - 68.94mm Bore
Dennis Kirk Part #: 130063S
130063S Athena Forged Piston Kit - 68.94mm Bore: Manufacturer part # S4F06900001A - 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).. S4F06900001A
1 on Hand
More Info/Options for 130063S Athena Forged Piston Kit - 68.94mm Bore
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$33.99
131428SR Athena Forged Piston Ring
Dennis Kirk Part #: 131428SR
131428SR Athena Forged Piston Ring: Manufacturer part # S41316062 - HOW TO ORDER THE RING: At the end of a part number you will see either: S, SB, SB, 2R, 4R, or 8 R the following is the meaning for each: S is Standard. SB is +.01mm/.0004 in.. SC is +.02mm/.0008 in.. 2R is +.50mm/.020 in.. 4R is +1.0mm/.040 in.. 8R is +2.0mm/.080 in... S41316062
2 on Hand
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$101.99
130029S Athena Forged Piston Kit - 53.95mm Bore
Dennis Kirk Part #: 130029S
130029S Athena Forged Piston Kit - 53.95mm Bore: 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
1 on Hand
More Info/Options for 130029S Athena Forged Piston Kit - 53.95mm Bore
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$178.99
131424S Athena Forged Piston Kit - 93.94mm Bore
Dennis Kirk Part #: 131424S
131424S Athena Forged Piston Kit - 93.94mm Bore: Manufacturer part # S4F09400003A - 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).. S4F09400003A
1 on Hand
More Info/Options for 131424S Athena Forged Piston Kit - 93.94mm Bore
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$178.99
Athena Forged Piston Kit 1300662
Dennis Kirk Part #: 1300662
Athena Forged Piston Kit 1300662: Manufacturer part # S4F090000020 - 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). NOTE: Compression 11.5:1. S4F090000020
1 on Hand
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$13.99
1300212R Athena Forged Piston Ring
Dennis Kirk Part #: 1300212R
1300212R Athena Forged Piston Ring: Manufacturer part # S41316007 - HOW TO ORDER THE RING: At the end of a part number you will see either: S, SB, SB, 2R, 4R, or 8 R the following is the meaning for each: S is Standard. SB is +.01mm/.0004 in.. SC is +.02mm/.0008 in.. 2R is +.50mm/.020 in.. 4R is +1.0mm/.040 in.. 8R is +2.0mm/.080 in... S41316007
2 on Hand
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$192.99
131428S Athena Forged Piston Kit - 99.95mm Bore
Dennis Kirk Part #: 131428S
131428S Athena Forged Piston Kit - 99.95mm Bore: Manufacturer part # S4F10000007A - 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). NOTE: 4mm and 6mm overbore piston. S4F10000007A
1 on Hand
More Info/Options for 131428S Athena Forged Piston Kit - 99.95mm Bore
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$101.99
131336S Athena Forged Piston Kit - 53.94mm Bore
Dennis Kirk Part #: 131336S
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
Expected Soon
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$99.99
131272S Athena Forged Piston Kit - 65.94mm Bore
Dennis Kirk Part #: 131272S
131272S Athena Forged Piston Kit - 65.94mm Bore: Manufacturer part # S4F06600002A - 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).. S4F06600002A
1 on Hand
More Info/Options for 131272S Athena Forged Piston Kit - 65.94mm Bore
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$120.99
130023S Athena Forged Piston Kit - 53.95mm Bore
Dennis Kirk Part #: 130023S
130023S Athena Forged Piston Kit - 53.95mm Bore: Manufacturer part # S4F05400003A - 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).. S4F05400003A
Expected Soon
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$178.99
131273S Athena Forged Piston Kit - 76.96mm Bore
Dennis Kirk Part #: 131273S
131273S Athena Forged Piston Kit - 76.96mm Bore: Manufacturer part # S4F07700003A - 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).. S4F07700003A
1 on Hand
More Info/Options for 131273S Athena Forged Piston Kit - 76.96mm Bore
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$33.99
1300708R Athena Forged Piston Ring
Dennis Kirk Part #: 1300708R
1300708R Athena Forged Piston Ring: Manufacturer part # S41316002 - HOW TO ORDER THE RING: At the end of a part number you will see either: S, SB, SB, 2R, 4R, or 8 R the following is the meaning for each: S is Standard. SB is +.01mm/.0004 in.. SC is +.02mm/.0008 in.. 2R is +.50mm/.020 in.. 4R is +1.0mm/.040 in.. 8R is +2.0mm/.080 in... S41316002
1 on Hand
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