S3 Enduro Inserts Accessories

You can also place the order by checking the units on the following table:

Image Reference Combination name Select quantity
ST-K-IN-419STD Compresion Type: STD COMP., Bike model for Stars head: KTM EXC 250 (2009-2016)
ST-K-IN-419A Compresion Type: HIGH COMP., Bike model for Stars head: KTM EXC 250 (2009-2016)
ST-K-IN-419AA Compresion Type: AA - High High comp., Bike model for Stars head: KTM EXC 250 (2009-2016)
ST-K-IN-419-AAA Compresion Type: AAA - High High High comp., Bike model for Stars head: KTM EXC 250 (2009-2016)
ST-K-IN-415 Compresion Type: FLAT - To be machine, Bike model for Stars head: KTM EXC 300 (2009-2016)
ST-K-IN-416B Compresion Type: LOW COMP., Bike model for Stars head: KTM EXC 300 (2009-2016)
ST-K-IN-416STD Compresion Type: STD COMP., Bike model for Stars head: KTM EXC 300 (2009-2016)
ST-K-IN-416A Compresion Type: HIGH COMP., Bike model for Stars head: KTM EXC 300 (2009-2016)
ST-K-IN-416-AA Compresion Type: AA - High High comp., Bike model for Stars head: KTM EXC 300 (2009-2016)
ST-K-IN-416-AAA Compresion Type: AAA - High High High comp., Bike model for Stars head: KTM EXC 300 (2009-2016)
ST-K-IN-419STD Compresion Type: STD COMP., Bike model for Stars head: KTM EXC 250 (2017)
ST-K-IN-419A Compresion Type: A - High comp., Bike model for Stars head: KTM EXC 250 (2017)
ST-K-IN-419AA Compresion Type: AA - High High comp., Bike model for Stars head: KTM EXC 250 (2017)
ST-K-IN-419-AAA Compresion Type: AAA - High High High comp., Bike model for Stars head: KTM EXC 250 (2017)
ST-K-IN-415 Compresion Type: FLAT - To be machine, Bike model for Stars head: KTM EXC 300 (2017)
ST-K-IN-416B Compresion Type: LOW COMP., Bike model for Stars head: KTM EXC 300 (2017)
ST-K-IN-416STD Compresion Type: STD COMP., Bike model for Stars head: KTM EXC 300 (2017)
ST-K-IN-416A Compresion Type: HIGH COMP., Bike model for Stars head: KTM EXC 300 (2017)
ST-K-IN-416AA Compresion Type: AA - High High comp., Bike model for Stars head: KTM EXC 300 (2017)
ST-K-IN-416-AAA Compresion Type: AAA - High High High comp., Bike model for Stars head: KTM EXC 300 (2017)
ST-K-IN-419STD Compresion Type: STD COMP., Bike model for Stars head: HUSQVARNA / HUSABERG 250 (2009-2016)
ST-K-IN-419A Compresion Type: HIGH COMP., Bike model for Stars head: HUSQVARNA / HUSABERG 250 (2009-2016)
ST-K-IN-419AA Compresion Type: AA - High High comp., Bike model for Stars head: HUSQVARNA / HUSABERG 250 (2009-2016)
ST-K-IN-419-AAA Compresion Type: AAA - High High High comp., Bike model for Stars head: HUSQVARNA / HUSABERG 250 (2009-2016)
ST-K-IN-415 Compresion Type: FLAT - To be machine, Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2009-2016)
ST-K-IN-416B Compresion Type: LOW COMP., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2009-2016)
STK-K-IN-416STD Compresion Type: STD COMP., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2009-2016)
ST-K-IN-416A Compresion Type: HIGH COMP., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2009-2016)
ST-K-IN-416AA Compresion Type: AA - High High comp., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2009-2016)
ST-K-IN-416-AAA Compresion Type: AAA - High High High comp., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2009-2016)
ST-K-IN-419STD Compresion Type: STD COMP., Bike model for Stars head: HUSQVARNA / HUSABERG 250 (2017)
ST-K-IN-419A Compresion Type: A - High comp., Bike model for Stars head: HUSQVARNA / HUSABERG 250 (2017)
ST-K-IN-419AA Compresion Type: AA - High High comp., Bike model for Stars head: HUSQVARNA / HUSABERG 250 (2017)
ST-K-IN-419-AAA Compresion Type: AAA - High High High comp., Bike model for Stars head: HUSQVARNA / HUSABERG 250 (2017)
ST-K-IN-415 Compresion Type: FLAT - To be machine, Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2017)
ST-K-IN-416B Compresion Type: LOW COMP., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2017)
ST-K-IN-416STD Compresion Type: STD COMP., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2017)
ST-K-IN-416A Compresion Type: HIGH COMP., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2017)
ST-K-IN-416AA Compresion Type: AA - High High comp., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2017)
ST-K-IN-416-AAA Compresion Type: AAA - High High High comp., Bike model for Stars head: HUSQVARNA / HUSABERG 300 (2017)
S3-0630-STD Compresion Type: STD COMP., Bike model for Stars head: SHERCO 250 (until 2016)
ST-0631-A Compresion Type: HIGH COMP., Bike model for Stars head: SHERCO 250 (until 2016)
ST-0632-AA Compresion Type: AA - High High comp., Bike model for Stars head: SHERCO 250 (until 2016)
ST-K-IN-416B Compresion Type: LOW COMP., Bike model for Stars head: SHERCO 300 (until 2015)
S3-0721-STD Compresion Type: STD COMP., Bike model for Stars head: SHERCO 300 (until 2015)
ST-847-A Compresion Type: HIGH COMP., Bike model for Stars head: SHERCO 300 (until 2015)
ST-848-AA Compresion Type: AA - High High comp., Bike model for Stars head: SHERCO 300 (until 2015)
ST-1021-STD Compresion Type: STD COMP., Bike model for Stars head: SHERCO 250 (2017-2018)
ST-1022-A Compresion Type: HIGH COMP., Bike model for Stars head: SHERCO 250 (2017-2018)
ST-1023-AA Compresion Type: AA - High High comp., Bike model for Stars head: SHERCO 250 (2017-2018)
ST-K-IN-415 Compresion Type: FLAT - To be machine, Bike model for Stars head: SHERCO 300 (2016-2018)
ST-K-IN-416B Compresion Type: LOW COMP., Bike model for Stars head: SHERCO 300 (2016-2018)
ST-K-IN-416STD Compresion Type: STD COMP., Bike model for Stars head: SHERCO 300 (2016-2018)
ST-K-IN-416A Compresion Type: HIGH COMP., Bike model for Stars head: SHERCO 300 (2016-2018)
ST-K-IN-416AA Compresion Type: AA - High High comp., Bike model for Stars head: SHERCO 300 (2016-2018)
ST-K-IN-416-AAA Compresion Type: AAA - High High High comp., Bike model for Stars head: SHERCO 300 (2016-2018)
ST-EC-IN-224STD Compresion Type: STD COMP., Bike model for Stars head: GASGAS EC250
ST-EC-IN-224A Compresion Type: HIGH COMP., Bike model for Stars head: GASGAS EC250
ST-EC-IN-224AA Compresion Type: AA - High High comp., Bike model for Stars head: GASGAS EC250
ST-EC-IN-252STD Compresion Type: STD COMP., Bike model for Stars head: GASGAS EC300
ST-EC-IN-252A Compresion Type: HIGH COMP., Bike model for Stars head: GASGAS EC300
ST-EC-IN-252AA Compresion Type: AA - High High comp., Bike model for Stars head: GASGAS EC300
ST-631-A Compresion Type: STD COMP., Bike model for Stars head: BETA RR 250
ST-632-AA Compresion Type: HIGH COMP., Bike model for Stars head: BETA RR 250
ST-911-AAA Compresion Type: AA - High High comp., Bike model for Stars head: BETA RR 250
ST-K-IN-416A Compresion Type: STD COMP., Bike model for Stars head: BETA RR 300
ST-K-IN-416AA Compresion Type: HIGH COMP., Bike model for Stars head: BETA RR 300
ST-K-IN-416-AAA Compresion Type: AA - High High comp., Bike model for Stars head: BETA RR 300

More info

Forged in the best aluminum alloy to obtain a top quality component and high durability. Its new design has thicker walls and higher water flow to ensure a better cooling rate.

New design:
• Forging them eliminates the hot spots found on casted heads.

Different compression Inlet, what changes?
Standard compression (STD): Higher torque and power at low revs. Even though it is similar to the original compression, you will notice the difference.
High compression (A): Possibility to add another gear, better traccion and very clean response.
Very high compression ( AA y AAA): Specially for altitudes over 1500m , or MX engine preparation.
Low compression: Incedible traction, smooth response, ideal for X-treme, TOP pilots use it. It's a delight!

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