BSA DBD34 Gold Star Piston - Long Con Rod Models Circa 1954 Onwards - Standard + Oversize
8.75:1 compression slipper type piston with stepped dome and valve pockets.
Complete with two compression rings and spring loaded oil control ring.
Supplied boxed with gudgeon pin and circlips.
Suitable for 500cc B34 Goldstar Clubmans and Scrambles models with 6+15/32" connecting rod.
Compression ratio: 8.75:1
Standard bore: 3.35" (85mm)
Height to crown: 2.48" (63mm)
Dome height: 0.52" (13.3mm)
Compression height: 1.29" (32.7mm)
Gudgeon pin OD: 3/4" (19.05mm)
Gudgeon pin length: 2+7/8" (73mm)
Compression rings thickness: 0.06" (1.58mm)
Oil scraper ring thickness: 0.16" (4mm)
Available as: standard (85mm), +.020" (85.5mm), +.040" (86mm) or +.060" (86.5mm) oversize - please select option.
OEM: 65-0907, 65-0909, 65-0911 - Hepolite No. 13052.
Gandini - made in Italy
Prices to all countries outside of the United Kingdom exclude VAT.
UK orders will be charged at the current UK rate.
Inline with the UK / EU trade deal all orders to European Union countries will be despatched with the correct Proof of Origin statements to ensure fast and accurate customs clearance. In most cases customs duties will not be applied to goods. However, import taxes / VAT and a customs handling fee will still be levied.