Parts Catalogue

BUGATTI REPLACEMENT PARTS CATALOGUE
Parts available to Bugatti Owners’ Club members only
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Valve Cotters (sold in halves)
G3A - for inlet valves G1-4I, G1-3I & G1-2
8mm stem
G3B - for exhaust valvesd G1-4E & G1-3E
9 mm stem
G3C - for inlet or exhaust valves G1-7
8mm stem
Valve Adjustment Caps
G4A - 8mm inlet
G4B - 9mm exhaust
G4C - 8mm - T57
Note - set length and case harden
(cyanide, depth 0.012” , 0.3mm
Valve Spring Top Caps
1 - G5A - inlet valve spring top cap with
taper hole for cotters dia 25 mm, hole 8mm
- 8 per block
2 - G5B - exhaust valve spring top cap with
taper hole for cotters dia 28 mm, hole 9mm
- 4 per block
3 - G5C - inlet valve spring top cap with
taper hole for cotters, dia 28mm, hole 8mm
- 8 per block
4 - G5D - exhaust valve spring top cap with
taper hole for cotters, dia 34mm, hole 9mm
- 4 per block
5 - G5E - inlet and exhaust valve spring top
cap with taper hole for cotters, dia 38mm,
hole 16mm - 16 per block
Types: 35, 37, 40, 43, 44,
49, Brescia
Types: 35, 37, 40, 43, 44,
49
Types: 51, 57
1
2
3
4
5
Types: 30, 35, 38, 43
Types: 30, 35, 38, 43
Types: 37, 40, 44, 49, Brescia
Types: 37, 40, 44, 49
Type: 57