S&S CYCLE S&S® Super Stock® 3-5/8" Bore O-Ring Style Single Plug Cylinder Head Kit For 1966-'78 HD® Big Twins - Natural Aluminum Finish 90-1497
S&S® Super Stock® o-ring style cylinder heads for 1966-'78 HD® big twins feature a stock like appearance, but flow much better than stock heads. Heads come assembled with premium valves and S&S® valve springs that can handle cams with lifts up to .590". These heads are machined for one spark plug per head and accept 3-5/8" bore cylinders, and are original equipment on S&S® SH-Series engines, and are a great upgrade for stock shovelheads. Rocker boxes are fastened with 5/16"-18 cap screws instead of the stock studs and nuts. KIt includes front and rear cylinder head assemblies, rocker box gaskets, copper head gaskets, exhaust gaskets, hardware, and instructions. Natural aluminum finish.
- Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers
- Complete kits also include rocker cover gaskets, head gaskets and miscellaneous hardware with instructions
- Use OEM manifolds and exhaust
- Made in the U.S.A.
Fitment Guide
| 1977-1978 | Harley-Davidson | 1200 Low Rider FXS | - | - |
| 1974-1978 | Harley-Davidson | 1200 Super Glide FXE | - | - |
| 1971-1978 | Harley-Davidson | 1200 Super Glide FX | - | - |
| 1966-1980 | Harley-Davidson | Electra Glide FL | - | - |
| 1966-1979 | Harley-Davidson | 1200 Electra Glide FLH | - | - |
Specs
| PRODUCT NAME | CYLINDER HEAD KIT |
| STYLE | STOCK COMPRESSION |
| MODEL | SUPER STOCK |
| BASE COLOR | SILVER |
| COLOR/FINISH | ALUMINUM |
| MATERIAL | ALUMINUM |
| BORE SIZE | 3.625" |
| FEATURES | SINGLE SPARK PLUG |
| UNITS | KIT |
| RIDING STYLE | STREET |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE S&S® Super Stock® 3-5/8" Bore O-Ring Style Single Plug Cylinder Head Kit For 1966-'78 HD® Big Twins - Natural Aluminum Finish 90-1497
Gold Coast Warehouse- If your parts are in stock at our Gold Coast warehouse at the time of order, they will be shipped within 24hrs.
Supplier Warehouse - 2-3 Week Delivery- If your parts are located at our Supplier Warehouse, Delivery ETA is approx 2-3 weeks, as the parts are likely coming from our USA supplier warehouse. We will notify you once we receive it in Gold Coast warehouse and its on its way to you.