The Toyota 1S is a naturally aspirated 1.8 litre inline four with a single overhead cam, eight valves and a carburettor. It sits below the 2S at 2.0 litres and below the twin cam 3S. Built from 1981 to 1988, it went into the Toyota Corona ST and the Celica. We stock 8 parts for the Toyota 1S.
1S main and conrod bearing sets
Bearings are most of what we list for the 1S, in standard and 0.25mm undersize. ACL and NDC main sets, conrod sets and race sets all appear here. Some of them are also filed under the Camry SV21 listings.
Timing belt idler
The 1S drives its cam with a timing belt, not a chain. The idler listed here is filed against the 2S and the 5S as well. Match its width and bore to the one you take off before ordering.
Other 1S parts we list
A rocker cover gasket and a 1mm oversize ring set finish the 1S listings. The ring set is catalogued with the Toyota 5K, so confirm your bore size first.
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