Brands - Prox Racing Parts

{ "available_in_store": "0", "categories_hierarchy": [ "Parts", "Parts>Engine", "Brands", "Brands>Prox Racing Parts" ], "custom_brandname": "Prox Racing Parts", "custom_brandurl": "//www.speedaddicts.com/prox-racing-parts/", "description": "latest addition to the prox program is the steel intake and exhaust valve & spring kits. this kit is offered as an alternative where the oem application uses titanium valves. prox has now developed the steel intake and exhaust valve & spring kits, containing a set of steel intake or exhaust valves plus a set of specially designed stronger valve springs.  the prox kit just replaces the oem valves & valve springs and can be installed using the oem retainers, bases and valve seals.special features in these kits:<ul><li>steel valves for increased durability and less wear under extreme conditions</li><li>nitrided valves offer high microhardness while supersmooth surface finish reduces friction between stem and guide</li><li>special stronger valve springs deal with the extra weight of the steel valves</li><li>springs are made from premium chrome vanadium steel for higher performance and durability at high rpms</li><li>fully rebuild able with oem retainers, bases and seals without the need of any further engine modifications</li><li>comes as complete package for quick, easy and cost efficient replacement</li></ul>PROP 65 WARNING: Cancer and/or reproductive harm - <a href='https://www.P65Warnings.ca.gov' rel='noopener' target='_blank'>www.P65Warnings.ca.gov</a>", "id": "ccbf837c2a8fb6edfd199808876e8996", "imageUrl": "//cdn11.bigcommerce.com/s-0m9ut/images/stencil/260x260/products/60867/66795/amz-4105vg72zgl__93772.1.jpg", "intellisuggestData": "eJwEwDsOgEAIBNC5EMlOBBZuYWJh7f6MraWn98XHGETvK2eoi0erorNQ0tqSQS3ueW2sBpz7IUxJo4EgCkwD9_uMPwAA__9tFxBC", "intellisuggestSignature": "46d559e79b43e02faac10567f3bad6c6c038e5b9a401f599eb46fb8b0eb403de", "is_featured": "false", "msrp": "174.84", "name": "Prox Steel Intake Valve/Spring Kit - 28.SIS4409-2", "popularity": "3", "price": "139.97", "product_type_unigram": "parts", "sku": "WPS-19-9515", "ss_has_image": "1", "ss_in_stock": "1", "ss_on_sale": "1", "thumbnailImageUrl": "//cdn.searchspring.net/ajax_search/img/default_image.png", "uid": "60867", "url": "//www.speedaddicts.com/motorcycle/prox-steel-intake-valve-spring-kit-28-sis4409-2", "variant_mfield_size_variant": [ "0" ] }

Prox Steel Intake Valve/Spring Kit - 28.SIS4409-2

$139.97

$174.84 Save 20%

Prox Con. Rod Kit Kaw Kx250 '78-08 - 03.4309

$107.99

$119.95 Save 10%

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Prox Steel Exhaust Valve Spring Kit - 28.SES4409-1

$139.97

$159.95 Save 12%

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Prox Steel Intake Valve/Spring Kit - 28.SIS1340-2

$129.97

$161.83 Save 20%

Prox Con. Rod Kit Ktm 85Sx '13 - 03.6113

$89.97

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Prox Steel Intake Valve/Spring Kit Yz/Wr250F '01-10 - 28.SIS2402-2

$184.99

$195.95 Save 6%

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Prox Crankshaft Bearing & Seal Kit - 23.CBS23001

$59.99

$65.95 Save 9%

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Prox Steel Intake Valve/Spring Kit - 28.SIS1336-2

$129.97

$149.95 Save 13%

Prox Piston Kit - 01.2020.025

$89.99

$99.95 Save 10%

Prox Con. Rod Kit Yam Yz125 '01-04 - 03.2221

$107.99

$129.43 Save 17%

Prox Piston Kit - 01.4022.B

$70.99

$79.95 Save 11%

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Prox Steel Intake Valve/Spring Kit Yz/Wr450F '03-09/Yfz450 '04-0 - 28.SIS2424-2

$184.99

$195.95 Save 6%

Prox Piston Kit - 01.2660.000

$124.99

$139.95 Save 11%

Prox Fork Seal/Wiper Kit - 40.S485810

$49.97

$59.95 Save 17%

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Prox Crankshaft Bearing & Seal Kit - 23.CBS64012

$80.99

$91.50 Save 11%

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Prox Crankshaft Bearing & Seal Kit - 23.CBS42088

$59.99

$65.95 Save 9%

Prox Piston Kit - 01.4124.B

$79.97

$94.95 Save 16%

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Prox Steel Exhaust Valve/Spring Kit Yz/Wr450F '03-09/Yfz450 '04- - 28.SES2424-1

$119.97

$139.95 Save 14%

Prox Cam Chain - 31.2414

$66.99

$74.95 Save 11%

Prox Piston Kit - 01.2487.000

$89.99

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Prox Steel Intake Valve/Spring Kit - 28.SIS6351-2

$129.97

$161.82 Save 20%

Prox Piston Kit - 01.6019.B

$49.97

$61.44 Save 19%

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Prox Steel Intake Valve/Spring Kit - 28.SIS4338-2

$129.97

$149.95 Save 13%

Prox Complete Clutch Plate Set - 16.CPS44010

$134.97

$159.95 Save 16%

Prox Pro X Piston Beta Rr400 94.95 Mm - 01.7411.A

$193.99

$222.41 Save 13%

Prox Con. Rod Kit Hus Tc/Te/Txc250 '06-09 Te310 '09 - 03.6336

$149.99

$181.90 Save 18%

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Prox Crankshaft Bearing & Seal Kit - 23.CBS62001

$95.99

Prox Piston Rings - 02.6225

$44.99

$45.09 Save 0%

Prox Piston Rings (90.00Mm) - 02.1498.000

$39.99

Prox Fork Seal/Wiper Kit - 40.S43559

$44.99

$49.95 Save 10%

Prox Piston Kit - 01.6012.B

$49.97

$59.95 Save 17%

Prox Con. Rod Kit Yam Yz125 86-00 - 03.2217

$107.99

$119.95 Save 10%

Prox Con. Rod Kit Kaw Kx250F 04-09 - 03.4334

$149.99

$165.95 Save 10%

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Prox Crankshaft Bearing & Seal Kit - 23.CBS33000

$68.99

$78.50 Save 12%

Prox Con. Rod Kit Yam Yzf450 '06-09 - 03.2436

$157.99

$175.95 Save 10%

Prox Piston Rings - 02.2020.050

$44.99

$49.47 Save 9%

Prox Piston Kit - 01.6029.B

$53.99

$67.56 Save 20%

Prox Cam Chain - 31.3390

$62.99

$69.95 Save 10%

Prox Fork Seal/Wiper Kit - 40.S375011

$44.99

$49.95 Save 10%

Prox Piston Kit - 01.6338.C

$189.99

$229.73 Save 17%

Prox Piston Kit - 01.1323.B

$115.99

$139.95 Save 17%

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Prox Crankshaft Bearing & Seal Kit - 23.CBS31099

$44.99

$50.66 Save 11%

Prox Piston Kit - 01.2321.B

$115.99

$129.95 Save 11%

Prox Crankshaft Bearing & Seal Kit - 23.CBS33088

$59.99

$65.95 Save 9%

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Prox Crankshaft Bearing & Seal Kit - 23.CBS33010

$134.99

$149.95 Save 10%