Norton twin cylinder head overhaul kit c1962 on: Models 88 99 650SS; inlet valves x 4; exhaust valve x 4; valve springs (pairs) x 4; cast iron valve guide x 4; heat insulation washers x 4. All the parts required to overhaul a worn but undamaged cylinder head for all twins post1963. Don't forget to add NEW valve collets if you need them SEE BT-D12/149 (R-067507 / MA-T8A) Original part number: V195; 17221- inlet valves x 2 [Head Diam: 1.4 in, 35.7mm] V27; T2204 - exhaust valves x 2 [Head Diam: 1-5/16 in, 1.3125 in, 33.3mm] 067822/3 - valve spring set x 8 063527 cast iron valve guides x 4 067845 heat insulation washers x 4
