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Triumph Piston 498 cc. 1938/1939. OHV Speed Twin +020. 63.5 mm STD 63 mm +020 NOS Gudgeon Pin 17 mm CR 7:1 incl. piston rings, gudgeon pin and circlips

Valve NOS not perfect no guarantee Head diameter 1.375" 35 mm Stem diameter 0,32"  8 mm L: 4.69"  119 mm  

BSA A7 Piston Pair +020Compression Ratio   7,5:1Compression height    approx. 41 mmPiston length approx.. 68 mmGudgeon pin Ø  11/16” – approx.. 18 mmGandini or JP subject to Availability.including gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPrice per Pair

BSA B50 Piston +020=  84,5mm 1971-73 Victor 500, MX, B50T, Gold Star B50SS CR: 10,1 including gudgeon Pin, piston rings and circlips Piston clearance 0,12 mm Gudgeon Pin diameter 19 mm JP

AJS/Matchless AMC 500/600 Twins Cylinder Head Gasket. Pair1956-59 composite TypeID = 76mm

AJS/Matchless AMC 500/600 Twins Cylinder Head Gasket Copper. Pair1956-59ID = 76 mm 

BSA In & Ex Valve C11/C11G/C12
1946-56

Made in England

Valve NOS not perfect no guarantee Head diameter 1 11/32" 34mm Stem diameter 5/8" 7,9mm Length: 3 29/32" 99,5mm

Valve NOS not perfect no warranty Head DM: 1.752" 45mm Stem DM: 3/8" 9,5mm Length: 3 11/16" 94mm

Valve NOS not perfect no warranty Head DM: 1 11/16" 43mm Stem DM: 3/16" 9,5mm Length: 4 1/32" 102,3mm AJS? Type Tulip

BSA Valve 31.100 G2 NOS Head DM: 1 11/16" 34mm Stem DM: 11 /32" 9m Length: 3 11/16" 93,5mm  

Valve 3065 NOS not perfect no warranty Head DM: 1 23/32" 43,5mm Stem DM: 11/32" 8,8mm Length: 4 5/32" 105,5mm Ariel?

Valve 409. KE965 NOS Head DM: 1 5/8" 41,5mm Stem DM: 11/32" 8,8mm Length: 4" 101,7mm Calthorpe?

Ariel V.B. 600cc Exhaust Valve 1950-52Head DM: 1.594" 40,5mmStem DM: 0.311" 7,9mmLength: 4.520" 104mm

Norton Manx 88. 99. 650cc Valve 1960-66 NOS Head DM: Stem DM: Length:

BSA Engine Gasket Set 250 cc C11 1939-53 Made in england

No. 79 -  2 Plunger Spring Top 90-4103/Pair No. 52 -  2 Spring Cover Top Outer  90-4111No. 53  - 2 Spring Cover Inner Top   90-4110BSA Plunger Spring Cover Set Top Bantam D1, D3, C10, C11, C11Gpaint not perfect

Triumph T140/TR7V Siamese Exhaust Pipe
1 3/8” - 35 mm pipe with cup to push over 1 5/8” cylinder  stub (42 mm)

chromed

Made in England

AJS / Matchless Norton Brake Rod black / Short 47cm
AJS 350/500/650cc Singles & Twins Norton P11/P11a
Made in England

Ariel 350 Exhaust Valve 1935-55. 

Lucas Bicycle Bell No. 3. 2 3/16" Domegenuine LucasPlease look at all pictures

Ariel Exhaust Valve KH.KHA 500 cc 1949-56  NOS. Head. 1,250" = 31,75mm. Stem. 0,310" = 7,874mm. Length. 3,630" = 92,202mm. 

Francis Barnett Pawl Spring 1957- NOS Measurement see last pict.

Villiers Gear Change Spring NOS mesurements see last springs please

BSA Engine Gasket Set 250cc OHV

C11G 1954-55
C12 1956-58