19145040 Norton Commando 750 Piston +.040 Oversize – Hipolite
$174.99
1 in stock (can be backordered)
- Satisfaction Guaranteed
- Shipping Across the Continental US
- Secure Payments
- If you are outside the continental US, please email for orders: Cwest@nortoncommando.com
Norton Commando 750 piston oversize – Norton Commando 750 piston +.040 oversize by Hipolite (part number 19145040). This is a single piston for the Norton Commando 745cc parallel twin engine. Order two for a complete set.
This +.040″ (1.016mm) oversize piston is the correct choice for a 750 Commando engine that has been bored to +.040 over the standard 73mm bore. Machined by Hipolite to precise tolerances, these are a trusted OEM-quality replacement used by Norton restorers and engine rebuilders worldwide.
Fitment:
– Norton Commando 750cc (745cc) — 1968, 1969, 1970, 1971, 1972, 1973
– All 750 Commando variants: Fastback, Roadster, Hi-Rider, Interstate, Combat
– OEM Part Reference: 06-3656 / 19145
Specifications:
– Bore Size: +.040″ oversize (approx. 73.97mm / 2.912″)
– Standard bore is 73mm — confirm your actual bore measurement before ordering
– Compression Ratio: 8.9:1 (standard)
– Engine: Air-cooled parallel twin, 73mm x 89mm bore & stroke (standard)
– Piston rings, gudgeon pin, and circlips sold separately
Note: Always measure your cylinder bore before selecting a piston size. If your barrels are standard, see our 19145STD standard piston listing. Also available in +.020, +.060 oversizes.
Reviews
There are no reviews yet.