Engine

BREATHER BOLT110 &100 IN4X4MOTR

BREATHER BOLTS TC OEM 29465-08

BREATHER PIPE ASSEMBLY FOR EARLY BIG TWIN

Weight: 0.26V-FACTORA perfect reproduction of the original OEM breather pipe/case bolt. Fits 61ci, 74ci & 80ci OHV all models 1948/1957 and 1964. (Imported)

BREATHER VALVE 115 & 125

BREATHER VALVE AND GEAR FOR BIG TWIN

Weight: 0.30Whether you're building an engine from scratch, rebuilding an engine that has been thrashed or updating from the OEM plastic breather, we recommend using one of these top quality steel breather valve and gearsThe stock plastic breathers are...

BREATHER VALVE AND GEAR FOR BIG TWIN

Weight: 0.37Whether you're building an engine from scratch, rebuilding an engine that has been thrashed or updating from the OEM plastic breather, we recommend using one of these top quality steel breather valve and gearsThe stock plastic breathers are...

BREATHER VALVE AND GEAR FOR BIG TWIN

Weight: 0.34Whether you're building an engine from scratch, rebuilding an engine that has been thrashed or updating from the OEM plastic breather, we recommend using one of these top quality steel breather valve and gearsThe stock plastic breathers are...

BREATHER VALVE/GEAR SHIMS FOR BIG TWIN

Weight: 0.07A breather valve/gear with too much end play will knock. Any time the gear cover is removed it is standard procedure to set the end play on the breather valve/gear. Shims are available for 1950/Early 1979 that have a .195" I.D. and Late...

BREATHER VALVE/GEAR SHIMS FOR BIG TWIN

Weight: 0.07A breather valve/gear with too much end play will knock. Any time the gear cover is removed it is standard procedure to set the end play on the breather valve/gear. Shims are available for 1950/Early 1979 that have a .195" I.D. and Late...

BREATHER VALVE/GEAR SHIMS FOR BIG TWIN

Weight: 0.07A breather valve/gear with too much end play will knock. Any time the gear cover is removed it is standard procedure to set the end play on the breather valve/gear. Shims are available for 1950/Early 1979 that have a .195" I.D. and Late...

BREATHER VALVE/GEAR SHIMS FOR BIG TWIN

Weight: 0.06A breather valve/gear with too much end play will knock. Any time the gear cover is removed it is standard procedure to set the end play on the breather valve/gear. Shims are available for 1950/Early 1979 that have a .195" I.D. and Late...

BREATHER VALVE/GEAR SHIMS FOR BIG TWIN

Weight: 0.06A breather valve/gear with too much end play will knock. Any time the gear cover is removed it is standard procedure to set the end play on the breather valve/gear. Shims are available for 1950/Early 1979 that have a .195" I.D. and Late...

BREATHER VALVE/GEAR SHIMS FOR BIG TWIN

Weight: 0.06A breather valve/gear with too much end play will knock. Any time the gear cover is removed it is standard procedure to set the end play on the breather valve/gear. Shims are available for 1950/Early 1979 that have a .195" I.D. and Late...

BREATHER VALVE/GEAR SHIMS FOR BIG TWIN

Weight: 0.06A breather valve/gear with too much end play will knock. Any time the gear cover is removed it is standard procedure to set the end play on the breather valve/gear. Shims are available for 1950/Early 1979 that have a .195" I.D. and Late...

BREATHER VALVE/GEAR SHIMS FOR BIG TWIN

Weight: 0.06A breather valve/gear with too much end play will knock. Any time the gear cover is removed it is standard procedure to set the end play on the breather valve/gear. Shims are available for 1950/Early 1979 that have a .195" I.D. and Late...