GA: Cylinder head

See Rolls-Royce 20/25: P series
code RR code title qty unit price
GA015 E55315 Gasket, cylinder head, 3 1/2 L, 20/25 1 £126.45
GA040S E50923/pe119 Core plug, 3/4" diameter 8 £5.45
GA041 Core plug, 3/4" diameter, tapped 5BA 2 £10.04
GA042S Core plug, 3/4" diameter, tapped 2BA £10.68
GA043S Core plug, 3/4" diameter, tapped 3BA 1 £10.68
GA050S E50922/pe118 Core plug, 1 1/8" diameter 6 £9.93
GA080 E54252 Outlet tube, head front cover, Bentley, 20 & 20/25 to 25/30 N2 series 1 £31.32
GA085 E54253 Nut, head outlet tube, Bentley, 20 & 20/25 to 25/30 N2 series 1 £62.72
GA160S EB175 Valve spring, 20/25, 30, Wraith and Bentley 12 £8.69
GA240 EB690 End plate gasket 1 £1.63
GA290 E53188 Union, temperature sender 3 1/2, 4 1/4 G, H & M series, 20hp E-M series, 20/25 1 £51.08
GA350 EB5165 Heater tap assembly 1 £159.11
GAE110 E55789 Thumb nut, rocker cover, 20/25 up to G2 series 3 POA
GAR060 E53576 Copper tube, cylinder head, 20/25 10 £7.27
GAR070 E54509 End plate, cylinder head rear, 20hp L-series on and 20/25 1 £81.01
GAR075 R2113 Gasket, 20 hp & 20/25 rear endplate cover 1 £2.31
GAR089 E54235 Endplate, front, 20 hp N & O series, 20/25 head to GBT21 1 POA
GAR121 E55335 Valve, inlet, 20/25 to GRF41 6 £34.55
GAR135 R4691 Exhaust valve, 20/25 up to GKT21 6 £40.53
GAR150 E50217 Valve guide, inlet and exhaust, 20 hp & 20/25 up to GTR41 12 £37.68
GAR170 E51088 Cap, valve spring, 20hp & 20/25 to end of GRF 12 £16.58
GAR178 E50147 Collet, split, inlet and exhaust valve, 20 hp and 20/25 to GMU33 24 £3.71
GAR186 E50165 Valve stem seal, felt, 20hp and 20/25 to GTR41 12 £2.72
GAR210 E54494 Rocker shaft, 20hp GUJ32 on, 20/25 to GMU30 1 £225.68
GAR215 E51897 Rocker bush, plain, 20hp, 20/25 to GWE71 12 £8.02
GAR261 E54576 Stud, long, rocker shaft, 20hp GYL1 on, 20/25 3 £26.32
GAR271 E54406 Stud, short, rocker shaft, 20hp GUJ32 on and 20/25 4 £28.36
GAR296S E50240 Union, rocker oil feed single, 20 & 20/25 1 £33.62
GAR297S E75064 Union, rocker oil feed double, 20/25 1 £33.62
GAR298 E55788/E50237 Cap nut, rocker oil feed, Rolls-Royce 2 £23.95
GAR342 Gasket & lock tab washer kit, engine overhaul, 20/25 to GGP31 1 £558.46
GAR343 Gasket kit, engine overhaul, 20/25, GGP32 to end GTR 1 £348.1
GAR343:1 R7091 Gasket kit, top end, 20/25, to end GTR 1 £229.47
LG041 Nut, retaining temperature sender bulb in head, early style 1 £17.11
QRW350 E50051 Washer, spherical, rocker pedestal 7 £4.54
QSC115 X2810Z Screw, 2BA x 5/8" countersunk 60 degrees, zinc plated 18 £3.6
QSC125 E52583 Screw, 2BA x 1 3/4" countersunk 60 degrees, plated 2 £13.87
QSTR104 E50236 Stud, 1BA, rocker pedestal 20hp, 20/25 2 £5.89
QSTR105 E52400 Stud, 1BA, cylinder head ignition bracket, 20hp and 20/25 4 £10.59
QSTR207 E51756 Stud, 20hp & 20/25 inlet manifold all, exhaust outer up to GLR25 12 £15.31
QSTR807 E53966 Stud, exhaust manifold, centre port, 20hp GUJ33 to 20/25 GLR25 2 £17.78