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Pro X Piston Assembly - 47, Pro X Piston Assembly - 53

$56.99 Engine & Transmission: WSM Piston Assembly - 67mm Bore 5053007P Manufacturer: WSM Dennis Kirk Part #: 1311064 WSM Piston Assembly - 67mm Bore: Manufacturer part # 5053007P - Pistons are sold as each and included the ring set, wrist pin and E design clips. Pistons and rings are the same design as the originals for interchangeability. All rebuild kits, pistons and ring sets are available in standard size, .020 in. and .040 in. oversizes. HOW TO ORDER: The last number of the Dennis Kirk Part # represent the following: S is Standard. 2 is .020 in. (.5mm). 4 is .040 in. (1.0mm).. 5053007P 3 on hand More Info/Options for WSM Piston Assembly - 67mm Bore 5053007P

$56.99 Engine & Transmission: WSM Piston Assembly - 66mm Bore 50530P Manufacturer: WSM Dennis Kirk Part #: 131106S WSM Piston Assembly - 66mm Bore: Manufacturer part # 50530P - Pistons are sold as each and included the ring set, wrist pin and E design clips. Pistons and rings are the same design as the originals for interchangeability. All rebuild kits, pistons and ring sets are available in standard size, .020 in. and .040 in. oversizes. HOW TO ORDER: The last number of the Dennis Kirk Part # represent the following: S is Standard. 2 is .020 in. (.5mm). 4 is .040 in. (1.0mm).. 50530P 6 on hand More Info/Options for WSM Piston Assembly - 66mm Bore 50530P

$85.99 Engine & Transmission: Pro X Piston Assembly - 53.95mm Bore 5060A Manufacturer: Pro X Dennis Kirk Part #: 13649SA Pro X Piston Assembly - 53.95mm Bore: Manufacturer part # 5060A - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. , , Included Items:. , 1. (1) Piston. , 2. (1) Ring set. , 3. (1) Circlips (pair). , 4. (1) Wrist pin. NOTE: This is a fractional oversize piston of .0004 inch. It is intended for slightly worn cylinders, please be sure this is what you need before ordering. The following is the meaning of the letters next to Dennis Kirk Part Number: SA is Standard. SB is +.0004 in.. SC is +.0008 in.. SD is +.0012 in.. SE is +.0016 in... 5060A Expected Soon More Info/Options for Pro X Piston Assembly - 53.95mm Bore 5060A

$85.99 Engine & Transmission: Pro X Piston Assembly - 53.95mm Bore 5060B Manufacturer: Pro X Dennis Kirk Part #: 13649SB Pro X Piston Assembly - 53.95mm Bore: Manufacturer part # 5060B - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. , , Included Items:. , 1. (1) Piston. , 2. (1) Ring set. , 3. (1) Circlips (pair). , 4. (1) Wrist pin. NOTE: This is a fractional oversize piston of .0004 inch. It is intended for slightly worn cylinders, please be sure this is what you need before ordering. The following is the meaning of the letters next to Dennis Kirk Part Number: S is Standard. SB is +.0004 in.. SC is +.0008 in.. SD is +.0012 in.. SE is +.0016 in... 5060B 1 on hand More Info/Options for Pro X Piston Assembly - 53.95mm Bore 5060B

$85.99 Engine & Transmission: Pro X Piston Assembly - 53.95mm Bore 5060C Manufacturer: Pro X Dennis Kirk Part #: 13649SC Pro X Piston Assembly - 53.95mm Bore: Manufacturer part # 5060C - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. , , Included Items:. , 1. (1) Piston. , 2. (1) Ring set. , 3. (1) Circlips (pair). , 4. (1) Wrist pin. NOTE: This is a fractional oversize piston of .0008 inch. It is intended for slightly worn cylinders, please be sure this is what you need before ordering. The following is the meaning of the letters next to Dennis Kirk Part Number: S is Standard. SB is +.0004 in.. SC is +.0008 in.. SD is +.0012 in.. SE is +.0016 in... 5060C 1 on hand More Info/Options for Pro X Piston Assembly - 53.95mm Bore 5060C

$85.99 Engine & Transmission: Pro X Piston Assembly - 53.95mm Bore 5060D Manufacturer: Pro X Dennis Kirk Part #: 13649SD Pro X Piston Assembly - 53.95mm Bore: Manufacturer part # 5060D - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. , , Included Items:. , 1. (1) Piston. , 2. (1) Ring set. , 3. (1) Circlips (pair). , 4. (1) Wrist pin. NOTE: This is a fractional oversize piston of .0012 inch. It is intended for slightly worn cylinders, please be sure this is what you need before ordering. The following is the meaning of the letters next to Dennis Kirk Part Number: S is Standard. SB is +.0004 in.. SC is +.0008 in.. SD is +.0012 in.. SE is +.0016 in... 5060D 1 on hand More Info/Options for Pro X Piston Assembly - 53.95mm Bore 5060D

$94.99 Engine & Transmission: Pro X Piston Assembly - 66.94mm Bore 5070B Manufacturer: Pro X Dennis Kirk Part #: 131041SB Pro X Piston Assembly - 66.94mm Bore: Manufacturer part # 5070B - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. NOTE: This is a fractional oversize piston of .0004 inch. It is intended for slightly worn cylinders, please be sure this is what you need before ordering. The following is the meaning of the letters next to Dennis Kirk Part Number: S is Standard. SB is +.0004 in.. SC is +.0008 in.. SD is +.0012 in.. SE is +.0016 in... 5070B Expected Soon More Info/Options for Pro X Piston Assembly - 66.94mm Bore 5070B

$94.99 Engine & Transmission: Pro X Piston Assembly - 66.94mm Bore 5070C Manufacturer: Pro X Dennis Kirk Part #: 131041SC Pro X Piston Assembly - 66.94mm Bore: Manufacturer part # 5070C - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. NOTE: This is a fractional oversize piston of .0008 inch. It is intended for slightly worn cylinders, please be sure this is what you need before ordering. The following is the meaning of the letters next to Dennis Kirk Part Number: S is Standard. SB is +.0004 in.. SC is +.0008 in.. SD is +.0012 in.. SE is +.0016 in... 5070C 1 on hand More Info/Options for Pro X Piston Assembly - 66.94mm Bore 5070C

$94.99 Engine & Transmission: Pro X Piston Assembly - 66.94mm Bore 5070D Manufacturer: Pro X Dennis Kirk Part #: 131041SD Pro X Piston Assembly - 66.94mm Bore: Manufacturer part # 5070D - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. NOTE: This is a fractional oversize piston of .0012 inch. It is intended for slightly worn cylinders, please be sure this is what you need before ordering. The following is the meaning of the letters next to Dennis Kirk Part Number: S is Standard. SB is +.0004 in.. SC is +.0008 in.. SD is +.0012 in.. SE is +.0016 in... 5070D 2 on hand More Info/Options for Pro X Piston Assembly - 66.94mm Bore 5070D

$94.99 Engine & Transmission: Pro X Piston Assembly - 66.94mm Bore 5070E Manufacturer: Pro X Dennis Kirk Part #: 131041SE Pro X Piston Assembly - 66.94mm Bore: Manufacturer part # 5070E - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. NOTE: This is a fractional oversize piston of .0016 inch. It is intended for slightly worn cylinders, please be sure this is what you need before ordering. The following is the meaning of the letters next to Dennis Kirk Part Number: S is Standard. SB is +.0004 in.. SC is +.0008 in.. SD is +.0012 in.. SE is +.0016 in... 5070E 1 on hand More Info/Options for Pro X Piston Assembly - 66.94mm Bore 5070E

$24.99 Engine & Transmission: Pro X Piston Ring Set 5070R Manufacturer: Pro X Dennis Kirk Part #: 131041SR Pro X Piston Ring Set: Manufacturer part # 5070R - Pro X rings are exact OEM replacements and can be interchange with stock part. HOW TO ORDER: The last number of the Dennis Kirk Part # represent the following: SR is Standard. 1R is .010 in. (.25mm). 2R is .020 in. (.5mm). 3R is .030 in. (.75mm). 4R is .040 in. (1.0mm). 5R is .050 in. (1.25mm). 6R is .060 in. (1.50mm). 8R is .080 in. (1.75mm). NOTE: For suzuki OEM Replacement style rings for RM250 1989-93 order one ring set, For RM250 1994-95 order two ring sets.. 5070R Expected Soon More Info/Options for Pro X Piston Ring Set 5070R

$69.99 Engine & Transmission: Pro X Piston Assembly - 47.5mm Bore 5080 Manufacturer: Pro X Dennis Kirk Part #: 131039S Pro X Piston Assembly - 47.5mm Bore: Manufacturer part # 5080 - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. HOW TO ORDER: The last number of the Dennis Kirk Part # represent the following: S is Standard. 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. (1.75mm).. 5080 1 on hand More Info/Options for Pro X Piston Assembly - 47.5mm Bore 5080

$18.99 Engine & Transmission: Pro X Piston Ring Set 5080R Manufacturer: Pro X Dennis Kirk Part #: 131039SR Pro X Piston Ring Set: Manufacturer part # 5080R - Pro X rings are exact OEM replacements and can be interchange with stock part. HOW TO ORDER: The last number of the Dennis Kirk Part # represent the following: SR is Standard. 1R is .010 in. (.25mm). 2R is .020 in. (.5mm). 3R is .030 in. (.75mm). 4R is .040 in. (1.0mm). 5R is .050 in. (1.25mm). 6R is .060 in. (1.50mm). 8R is .080 in. (1.75mm).. 5080R Expected Soon More Info/Options for Pro X Piston Ring Set 5080R

$69.99 Engine & Transmission: Pro X Piston Assembly - 48mm Bore 5082 Manufacturer: Pro X Dennis Kirk Part #: 1310392 Pro X Piston Assembly - 48mm Bore: Manufacturer part # 5082 - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. HOW TO ORDER: The last number of the Dennis Kirk Part # represent the following: S is Standard. 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. (1.75mm).. 5082 2 on hand More Info/Options for Pro X Piston Assembly - 48mm Bore 5082

$18.99 Engine & Transmission: Pro X Piston Ring Set 5082R Manufacturer: Pro X Dennis Kirk Part #: 1310392R Pro X Piston Ring Set: Manufacturer part # 5082R - Pro X rings are exact OEM replacements and can be interchange with stock part. HOW TO ORDER: The last number of the Dennis Kirk Part # represent the following: SR is Standard. 1R is .010 in. (.25mm). 2R is .020 in. (.5mm). 3R is .030 in. (.75mm). 4R is .040 in. (1.0mm). 5R is .050 in. (1.25mm). 6R is .060 in. (1.50mm). 8R is .080 in. (1.75mm).. 5082R Expected Soon More Info/Options for Pro X Piston Ring Set 5082R

$69.99 Engine & Transmission: Pro X Piston Assembly - 48.5mm Bore 5084 Manufacturer: Pro X Dennis Kirk Part #: 1310394 Pro X Piston Assembly - 48.5mm Bore: Manufacturer part # 5084 - The smart alternative to costly engine repairs. Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances. OEM replacements. Available in standard and oversizes. Pro X rings are exact OEM replacements and can be interchange with stock part. B, C, D and E extend the life of expensive plated cylinders. Pistons supplied in a kit includes rings, wrist pins, and circlips. HOW TO ORDER: The last number of the Dennis Kirk Part # represent the following: S is Standard. 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. (1.75mm).. 5084 1 on hand More Info/Options for Pro X Piston Assembly - 48.5mm Bore 5084

$99.99 Engine & Transmission: Wiseco Piston Assembly - 48mm Bore 508M04800 Manufacturer: Wiseco Dennis Kirk Part #: 508M04800 Wiseco Piston Assembly - 48mm Bore: Manufacturer part # 508M04800 - Wiseco forged pistons are superior in strength and design. We carry the full line of Wiseco forged pistons, big bore kits and related items INCLUDED ITEMS: One piston. One 1890CS ring. Two CW12 circlips. One S538 wrist pin.. 508M04800 2 on hand More Info/Options for Wiseco Piston Assembly - 48mm Bore 508M04800

$99.99 Engine & Transmission: Wiseco Piston Assembly - 48.5mm Bore 508M04850 Manufacturer: Wiseco Dennis Kirk Part #: 508M04850 Wiseco Piston Assembly - 48.5mm Bore: Manufacturer part # 508M04850 - Wiseco forged pistons are superior in strength and design. We carry the full line of Wiseco forged pistons, big bore kits and related items INCLUDED ITEMS: One piston. One 1909CS ring. Two CW12 circlips. One S538 wrist pin.. 508M04850