9.64 9 Kibblewhite Valve Seals State-of-the-art design assures critical engine sealing with minimal wear. Kibblewhite has over 60 years experience supplying motorcycle race engine parts. Red 100% Viton Valve Seals for Big Twin and Twin Cam 88 Engines Red 100% Viton valve stem seals are designed to have optimum fitment, allow for maximum lift, and to give maximum life. KPMI Red valve stem seals are resistant to high temperatures, petroleum products and the corrosive gasses that are the by-products of combustion. These seals retain their ability to seal in situations where other materials could harden and allow oil to enter the combustion chamber causing detonation, carbon build up and a loss of power. Metalreinforced .420" x .310" size. Sold as sets of 4. Set of 4 55139 Fits Evolution Big Twin models 84-99 and Twin Cam 88 models 99-04 Solid White PTFE Seal For Shovelhead and Panhead Engines Solid white PTFE seal with retaining and choker springs for 3/8” valve stem and .562” guide top. Kibblewhite solid white PC Style valve seals are made from the high temperature thermoplastic polymer PTFE. PTFE material does not have “memory” and therefore is subject to creep. Creep allows the seal to conform to mating surfaces. Also, fillers have been used to keep the material stable and to reduce friction. PTFE is known to retain its mechanical properties at temperatures as high as 500°F. The twin spring design provides continuous tension on the valve guide and the stem of the valve. Sold as sets of 4. Set of 4 55164 Fits Panhead and Shovelhead Big Twin models 48-84 55139 55164 Manley Viton Seal Kit Kits Viton seals have taken over the horsepower market. With their smaller O.D., spring interference is unlikely. They meter the oil better, allowing better lubrication but not too much. The sealing rings will last longer then normal. A far superior valve seal than most others. Sold as set of 4. 699180 Fits Sportster models from 57-85 699181 Fits Panhead and Shovelhead models from 48-E80 699182 Fits Shovelhead models from late 80-84 699183 Fits Evolution Sportster models 86-03, and Big Twins 84-04 699184 Fits 05-17 Twin Cam and 04-20 Sportster models Red Top Hat Valve Guide Seals by Kibblewhite These Red 100% Viton® valve stem seals are designed to have optimum fitment, allow for maximum lift, and to give maximum life. Red valve stem seals are resistant to high temperatures, petroleum products and the corrosive gasses that are the by-products of combustion. These seals retain their ability to seal in situations where other materials could harden and allow oil to enter the combustion chamber causing detonation, carbon build up and a loss of power. The Red Ones are truly the racer’s choice. Sold as a set of 4. 622238 Fits 05-17 Twin Cam and 04-20 Sportster models Kibblewhite Valve Springs for Panheads and Shovelheads High-performance 160 lb. Chrome Silicon valve spring set for Panhead and Shovelhead engines from 48-84. Sold as a set of 4. 55197 Set of four, Panhead and Shovelhead Valve Springs JIMS Valve Spring Kits Includes JIMS spring seats, valve keepers, your choice of titanium or chromemoly retainers, and your choice of springs. Sold in complete sets for one engine. Fit all Big Twin models from 84-04. 20962 Chromemoly retainers (.600" lift, 160 lb. seat pressure) Motor Factory Valve Springs for 48-84 Big Twins Top-quality, American-made replacement valve spring sets fit Panhead and Shovelhead models from 48-84. Includes inner and outer springs. Replaces OEM 18205-57A. 010571 Set of 4 V-Thunder Valve Spring Kits V-Thunder kits provide strong street performance with up to .600" lift cams in the Standard kits or up to .675" lift cams with the Super kits. For all Evolution Big Twins 84-99. Super Kits Include springs, locks, retainers and lower seats. Spring I.D.- .745", O.D.-1.510". Spring pressure 184 lb. at 1.850", 422 lb. at 1.280", bind at 1.08" 30158 Kit with chromemoly retainers Standard Kits Include springs, locks, retainers and lower seats. Spring I.D.- .700", O.D.-1.460". Spring pressure 160 lb. at 1.850", 440 lb. at 1.250", bind at 1.2". 30156 Kit with chromemoly retainers Heat Treated Steel Spring Collars by Andrews Designed to fit 84-99 Evolution engines and 99-04 Twin Cam engines. Provides .050” more spring travel than stock collars. Collars are stronger and 10% lighter than stock collars. Use stock keepers. 663936 Top collars, set of four
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