heads kit contents cylinder head kits for 124 carbureted engines include a set ... purchased separately cylinder head kits for 124 engines equipped with s&s variable ... head sets are also available separately for replacement and custom applications ... or valve springs s&s 41/8 bore set for 1984 99 big twin msrp $1,485 ... .20 s&s 41/8 bore set for 1999 09 big twin except 2008-up baggers ... msrp $37.25 exhaust valve ... super g carb just the way we sell them for the street and with the same engine ... fin heads super d carb and 21/4 drag pipes the slight dip in midrange torque and ... the top curve is typical of a straight exhaust system please see a word about dyno ... numbers in the index section for important information regarding dyno ... catalog replacement flanges and seals for s&s sa big fin cylinder heads intake ...
these bare heads are generally used for replacement of existing special ... intake manifold mounting hardware or exhaust pipe starter adapters special order ... gasket surfaces front motor mounts for use in harley-davidson® sportster® ... are sized valve spring pads intake and exhaust ports and head gasket surfaces are ...