Engine Gaskets / Cylinder Head NOTE: Parts shown are BARE-Co parts - original part numbers are shown for reference only. CHAMBERLAIN TRACTOR / ENGINE TOP GASKET SET BOTTOM GASKET SET FULL ENGINE GASKET SET OTHER GASKETS CYLINDER HEAD ENGINE VALVES VALVE SPRING PERKINS 4-270 Engine 9G Industrial MKII B1321 = CHAM25708  B1322 = CHAM29690   Liner "O" Ring B3907 = CHAM21248  (8 req) N/A INLET B8635 =CHAM21283 EXHAUST B8636 =CHAM21284 Also fits L4 Engine N/A  PERKINS 4-236 Engine 236 MK III Series B2994 = CHAM45368 B2995 = CHAM65007  Rocker Cover B422 = CHAM26104 B418 = CHAM45000 INLET STD B2790 .003" O/S B411 EXHAUST STD B2791 .003" O/S B413 Inner B7369 = CHAM45254 Outer B7370 = CHAM26066 PERKINS 6-306 Engine C670 Countryman 306 Champion 306 B4031 = CHAM26856 B4032 = CHAM29585   N/A N/A PERKINS 6-354 Engine C6100 Countryman 354 Countryman 6 INLET STD; B2790 .003" O/S B411 EXHAUST STD B2791 .003" O/S B413 JD 4-239 Engine 3380 B7589 = RE38851 B7597 = RE16922 Rocker Cover B7595 = R73521 INLET STD B717 .015" O/S B718 EXHAUST STD B719 .015" O/S B720 B721 = R26125 JD 6-329 Engine 4080 B7598 = RE38852 B7599 =   Rocker Cover B7600 = R75728 JD 6-359 Engine 4280, 4090 B690 = RE38858 JD 6-359T Engine 4290, 4480 INLET B722 EXHAUST B719 JD 6-466T Engine 4490, 4690 B715 = AR98851 B713 = AR98845 Rocker Cover B716 = R49866 INLET B730 EXHAUST B731