S&S Super Stock Cylinder Head Kit - 3 5/8" Bore - '66-78 Big Twins (90-1497)
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S&S Super Stock Cylinder Head Kit - 3 5/8" Bore - '66-78 Big Twins (90-1497)
$1,899.95
$1,544.01
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$355.94
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- S&S Super Stock o-ring style cylinder heads for 1966-1978 Harley Big Twins
- Feature a stock like appearance, but flow much better than stock heads
- Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers
- These heads are machined for one spark plug per head
- Heads 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
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1966-1969 | Harley-Davidson | Electra Glide FLFB | |
| 1970-1978 | Harley-Davidson | Electra Glide FLH | |
| 1966-1969 | Harley-Davidson | Electra Glide FLHB | |
| 1970-1972 | Harley-Davidson | Electra Glide FLHF | |
| 1966-1969 | Harley-Davidson | Electra Glide FLHFB | |
| 1977-1978 | Harley-Davidson | Low Rider FXS | |
| 1974-1978 | Harley-Davidson | Super Glide Electric Start FXE | |
| 1971-1978 | Harley-Davidson | Super Glide FX | |