Speedo Seats & Luggage- racks Frame Chassis Suspension Forktubes Wheels Brake Fenders Gastanks Motorparts Gaskets Intake Transmission & Driveline Exhaust Electrical & Lights Handlebars, Cables & Mirrors Oil tanks Oil & Chemicals Fasteners Windshields Forward controls, Footpegs Miscellaneous MOTOR PARTS - TOP END 10 703 AFTERMARKET PARTS & ACCESSORIES FOR CUSTOM MOTORCYCLES / MOTORCYCLESTOREHOUSE.COM 512527 531382 Universal on OD size sequence Part # OD ID Height 524559 41.00mm/1.614" 31.00mm/1.220" 11.00mm/0.434" 524560 42.00mm/1.654" 32.00mm/1.260" 11.00mm/0.434" 524561 43.00mm/1.693" 33.00mm/1.299" 11.00mm/0.434" 524562 44.00mm/1.732" 34.00mm/1.339" 11.00mm/0.434" 524555 44.62mm/1.757" 35.00mm/1.375" 11.43mm/0.450" 524563 45.00mm/1.772" 34.50mm/1.358" 11.00mm/0.434" 524564 46.00mm/1.811" 35.50mm/1.398" 11.00mm/0.434" 524565 47.00mm/1.850" 36.50mm/1.437" 11.00mm/0.434" Part # OD ID Height 524567 49.00mm/1.929" 38.50mm/1.516" 11.00mm/0.434" 524552 49.40mm/1.945" 38.10mm/1.500" 11.43mm/0.450" 524558 50.00mm/1.969" 39.00mm/1.535" 11.50mm/0.453" 524553 50.98mm/2.007" 39.67mm/1.562" 11.43mm/0.450" 524557 52.32mm/2.060" 39.67mm/1.562" 11.43mm/0.450" 524554 54.15mm/2.132" 42.93mm/1.690" 11.43mm/0.450" 524556 54.97mm/2.164" 44.45mm/1.750" 11.43mm/0.450" S&S, VALVE SEATS Replacement for various S&S cylinder heads. 36-47 Knucklehead & S&S KN engines 512847 Int. 1.940" diameter 512848 Exh. 1.750" diameter 66-84 Shovelhead & S&S SH engines 901345 Int. 1.950" diameter. Repl. 18020-79 -- Int. 1.950" diameter +.010". Repl. 18020-79 901340 Exh. 1.750". Repl. 1810-79, 18055-66B 564054 Exh. 1.750". +.010". Repl. 1810-79, 18055-66B Most S&S 84-99 style V & 99-17 style T engines 531382 Int. 2" diameter (84-17 V&T with 89/91cc chamber) 512527 Int. 1.900" diameter (84-99 V with 79cc chamber) 512843 Int. 1.940" diameter (99-17 T with 79cc chamber 531383 Exh. 1.605" diameter (84-17 V&T with 89cc chamber) 512528 Exh. 1.575" diameter (84-17 V&T with 79cc chamber) OEM (stock) valve seat sizes O.D. I.D. Height 48-65 Panhead Int. 1.940 1.562 .400 Exh. 1.940 1.562 .400 66-84 Shovelhead Int. 2.132 1.752 .400 Exh. 1.940 1.562 .400 84-17 B.T. (excl. M8) Int. 1.948 1.632 .400 Exh. 1.714 1.379 .400 70-85 XL 1000 Ironhead* Int. 1.942 1.650 - Exh. 1.562 1.405 - 1986 XL 1100 Int. 1.948 1.632 .400 Exh. 1.714 1.379 .400 tech-tip 42 OEM (stock) valve seat sizes O.D. I.D. Height 86-08 XL 883/C Int. 1.815 1.398 .384 Exh. 1.579 1.107 .340 87-03 XL 1100/1200 Int. 1.815 1.495 .388 Exh. 1.579 1.215 .388 04-08 XL 1200C/R Int. 1.948 1.632 .400 Exh. 1.714 1.379 .400 *Stock Ironhead XL Sportsters never had valve seats installed, the seats were machined directly into the (iron)head. Valve seats used in Ironheads are not a replacement, but a repair item. Information provided by courtesy of the late Mr. Ed Rowe of (former) Rowe USA. Valve seat press-fit Recommended press-fit in alu. heads .005" to .007" Recommended press-fit in cast iron heads .004" to .005" KPMI unleaded valve seats - universal VALVE GUIDE SEALS KPMI, VALVE GUIDE SEALS Used with stock style valve guides. No machining required. PTFE material or steel with Viton heat resistant rubber. Seal kits (4-pk) 48-E79 B.T. (excl. SV) 524646 Viton 524647 PTFE 84-04 B.T.; 86-03 XL 524576 Viton 524577 PTFE 05-17 Twin Cam (excl. 110"); 04-22 XL; 08-12 XR1200 524619 Viton Seal kits (8-pk) 17-23 M8 588727 In/ex. Viton Seal sets (4-pk) 48-E79 B.T. (excl. SV) 525451 In/ex. Viton L81-84 B.T. (excl. Evo) 525450 In/ex. Viton 84-04 B.T.; 86-03 XL 580428 In/ex. Viton 57-85 XL 524450 In. Viton 524451 Ex. Viton 524576 524619 524577 525451 580428 588727
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