SKU HSH300.18on Category

TSP CNC Head – 2018+ Sherco 300cc Models

The head comes complete with your choice of compression insert. TSP additional Inserts are discounted down from $170 to $150 when ordered at the same time as a TSP complete head. Make your selection below.


Low (+$150.00)
Medium (+$150.00)
High (+$150.00)

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TSP CNC Head and insert for Sherco 300 2018-on Factory Models and Sherco 300 2019-on Factory Racing Models. This head will come with a required 1.00mm base gasket to ensure the correct squish clearance is achieved.

All TSP heads and inserts now include a complete head gasket kit including inner and out cylinder o-rings and head bolt crush washers. Everything you need to install your new TSP head or insert with all new o-rings and seals.

Select your desired compression ratio from the options menu. All designs will work with stock base gaskets and cylinder heights and offer significant improvements over stock heads.

LOW COMPRESSION – This head was designed to suit extreme enduro riding or for riders who are more interested in smoothness of power delivery over power gain. It offers strong bottom end torque with a very smooth delivery that wont break traction too easily. It enables the rider to use lower revs and less clutch when tackling hard obstacles.

MEDIUM COMPRESSION – This head suits the majority of trail riders and racers who want better bottom and mid range power and a small gain up top as well. The power delivery is much stronger and more tractable than stock and suits a wide range of riding conditions. Works with 91 octane fuel.

HIGH COMPRESSION – This head suits riders who want harder hitting power everywhere, especially down low. It completely transforms the bike into a weapon. It will also suit normal trail riders who want the same characteristics as a medium compression head, but to suit higher elevations around 4,500 ft or higher. Best with 91 octane fuel or higher at sea level. Not suitable for extreme enduro due to the increased tendency to overheat in very tight, technical riding near sea level.

TSP billet cylinder heads are machined from solid 6061 T6 stock and offer improved performance, reliability and fuel economy. They are the best bolt on mod you can buy for your bike!

These billet machined heads feature TSP’s proven combustion chamber designs and are a ‘must have’ mod for most current model offroad bikes. Our combustion chamber designs have been used by thousands of happy customers and have been extensively dyno tested… the gains are consistent and include: increased power throughout the rev range (especially bottom/mid), improved fuel economy, greatly reduced risk of detonation, increased top end life in many models, and much SMOOTHER power delivery.

The unique Billet design has been 100% developed, machined and tested in-house at TSP. These Billet heads will bolt onto your standard cylinder and are designed to work with standard base gaskets.


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Below are the make(s) and model(s) that will fit this part.

YearMakeEngine CCModel
YearMakeEngine CCModel
2018Sherco300SE Factory
2019Sherco300SE Factory
2019Sherco300SE Racing
2020Sherco300SE Factory
2020Sherco300SE Racing
2021Sherco300SE Factory
2021Sherco300SE Racing
2022Sherco300SE Factory
2022Sherco300SE Racing
2023Sherco300SE Factory
2023Sherco300SE Racing
2024Sherco300SE Factory
2024Sherco300SE Racing
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