Aluminum Cylinder Heads
Select subgroup:
for 45"/750cc Flathead
for Big Twin Flathead
Select variant:
»#5«; compression: 5.1 : 1; replaces OEM HD 16692-40, and 16695-40
»#6«; compression: 6 : 1; replaces OEM HD 16681-39, and 16683-39
Price and stock:
Item №
62-402
Price incl. VAT
695.40 €
Available
3
Ready for immediate delivery from our Würzburg, Germany warehouse
The price includes 111.03 € German VAT.
- Cylinder heads »#5«
- fits 45” W & G models 1936-1973
- aluminum
- nominal bore: 2-3/4 ”
- compression: 5.1 : 1
- head bolt pattern: Flathead 8 bolt
- plug threads: 1 x M18 x 1.5 x 12.7 mm
- replaces Harley-Davidson part number HD 16692-40, and 16695-40
- gross weight: 4.9 kg
Aluminum cylinder heads for side-valve engines. In air-cooled engines, material with good heat dissipation is of great importance. When heat builds up, it results in power loss. Higher compression is meant to produce more power, but higher-compression engines run hotter. That’s why, starting in 1940, Harley-Davidson equipped the higher-compression side-valve engines (5:1 and above, with the standard being 3.6:1–4.5:1) with aluminum cylinder heads. Aluminum dissipates heat better than cast iron. The heads offered are supplied in pairs.
Accessories:
55-397
Gasket by James Gaskets; for Cylinder head; fits 45 cui/750cc 1936-1973; copper; 1 mm thick; replaces OEM HD 11-39, and 16768-39; gross weight: 60 g
Spark Plugs #2: IOE, Flatheads and Knuckleheads
James Gasket Kits for Top End: 45 cui/750cc Sidevalve
Include all gaskets for top end overhaul.
Washers for Cylinder Head Bolts: SV Aluminum Heads
Cylinder Head Bolts Kits: Big Twin Flatheads with Aluminum Heads
Have any questions?
Our service team will be glad to help out: Mondays - Thursdays 08:00-17:00 CET, Fridays 08:00-16:00 CET, Phone: +49 / 931 250 61 16, eMail: service@wwag.com