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Regular price $18.73
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MFG Part Number: 20-20487 Setting the correct installed valve spring height and pressure is critical , the proper operation of the valvetrain. KPMI offers a large selection of valve spring shims to...
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Regular price $12.94
Sale price $12.94
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MFG Part Number: 20-20701M These Engine Builder valve guides have been designed with the price conscious builder in mind. Expect the same exacting KPMI® tolerances, but with a reduced toughness / w...
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Regular price $128.07
Sale price $128.07
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MFG Part Number: 20-20435 This KPMI® O.E.M. replacement kit is designed to give stock pressures and work with stock cam profiles. This kit is manufactured to original O.E.M. specifications using pr...
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Regular price $15.52
Sale price $15.52
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MFG Part Number: 20-20570 KPMI® has been making Wrist Pin Bushing for Big Twins for over 30 years. The racers choice are our Manganese Bronze wrist pin bushings that continue to Perform under the m...
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Regular price $26.08
Sale price $26.08
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MFG Part Number: 20-20700 We choose to use the copper based C63000 nickel-aluminum bronze as a material to make our bronze valve guides because of its ideal characteristics for the application. The...
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Regular price $141.07
Sale price $141.07
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MFG Part Number: 20-20450 All KPMI® valve springs are designed in house using sophisticated, proprietary design and simulation software programs. Our engineers, software, and 75 years of experience...
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Regular price $237.41
Sale price $237.41
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MFG Part Number: 20-20355 Since 1939, KPMI® has taken great pride in our ability to design innovative performance improvements for valvetrains. This innovative ability has never been more apparent ...
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Regular price $128.07
Sale price $128.07
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MFG Part Number: 20-20430 This KPMI® O.E.M. replacement kit is designed to give stock pressures and work with stock cam profiles. This kit is manufactured to original O.E.M. specifications using pr...
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Regular price $18.73
Sale price $18.73
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MFG Part Number: 20-20485 KPMI® Basewashers are designed to safely control lateral movement of the spring and to set the correct valve spring installed height , each valvetrain system. The ID is cl...
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Regular price $11.83
Sale price $11.83
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MFG Part Number: 20-20692C After chemically separating several samples of cast iron material, and analyzing and evaluating the test data, we decided to have our own specification of cast iron made ...
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Regular price $34.33
Sale price $34.33
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MFG Part Number: 20-20438 KPMI® Basewashers are designed to safely control lateral movement of the spring and to set the correct valve spring installed height , each valvetrain system. The ID is cl...
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Regular price $18.29
Sale price $18.29
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MFG Part Number: 20-20339 We choose to use the copper based C63000 nickel-aluminum bronze as a material to make our bronze valve guides because of its ideal characteristics for the application. The...
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Regular price $125.01
Sale price $125.01
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MFG Part Number: 20-20425 This KPMI® O.E.M. replacement kit is designed to give stock pressures and work with stock cam profiles. This kit is manufactured to original O.E.M. specifications using pr...
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Regular price $142.27
Sale price $142.27
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MFG Part Number: 20-20445 All KPMI® valve springs are designed in house using sophisticated, proprietary design and simulation software programs. Our engineers, software, and 75 years of experience...
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Regular price $12.94
Sale price $12.94
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MFG Part Number: 20-20690M These Engine Builder valve guides have been designed with the price conscious builder in mind. Expect the same exacting KPMI® tolerances, but with a reduced toughness / w...
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Regular price $34.33
Sale price $34.33
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MFG Part Number: 20-20433 KPMI® Basewashers are designed to safely control lateral movement of the spring and to set the correct valve spring installed height , each valvetrain system. The ID is cl...
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Regular price $37.05
Sale price $37.05
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MFG Part Number: 20-20323R All KPMI® Black Diamond™ Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface build up of .0002. This Black Diamond™ proc...
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Regular price $16.19
Sale price $16.19
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MFG Part Number: 20-20381 Fits Universal ID 0.308" Material Manganese Bronze OD 0.740" OL 2.700" Quantity Pkg. of 1 Unique Identifier No. FR327789_01GAUS
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Regular price $2.43
Sale price $2.43
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MFG Part Number: 20-20637 The flexible thin wall protectors are designed to fit over the top of the valve stem, protecting the sealing element from any sharp edges that might damage it during insta...
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Regular price $47.30
Sale price $47.30
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MFG Part Number: 20-20437 All KPMI® valve springs are designed in house using sophisticated, proprietary design and simulation software programs. Our engineers, software, and 75 years of experience...
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Regular price $28.67
Sale price $28.67
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MFG Part Number: 20-20428 KPMI® Basewashers are designed to safely control lateral movement of the spring and to set the correct valve spring installed height , each valvetrain system. The ID is cl...
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Regular price $141.07
Sale price $141.07
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MFG Part Number: 20-20170 Since 1939, KPMI® has taken great pride in our ability to design innovative performance improvements for valvetrains. This innovative ability has never been more apparent ...
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Regular price $350.64
Sale price $350.64
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MFG Part Number: 20-20350 Since 1939, KPMI® has taken great pride in our ability to design innovative performance improvements for valvetrains. This innovative ability has never been more apparent ...
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Regular price $7.75
Sale price $7.75
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MFG Part Number: 20-20580 KPMI® has been making Wrist Pin Bushing for Big Twins for over 30 years. The racers choice are our Manganese Bronze wrist pin bushings that continue to Perform under the m...