S3 Engine

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        S3 ‘EXTREM’ Head Kit for GASGAS EC300 2021 TPI

        SKU: XTR-985TPI-300-R
        £135.17 inc. VAT
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        S3 ‘EXTREM’ Head Kit for BETA 2012-2018 300 RR

        SKU: XTR-B-300-RR-R
        £135.18 inc. VAT
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        S3 ‘EXTREM’ Head Kit for HUSKY TE300 2012 to 2016

        SKU: XTR-HUS-300-U
        £129.99 inc. VAT
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        S3 ‘EXTREM’ Head Kit for KTM EXC300 2016 and older (Carb)

        SKU: XTR-K-300-O
        £129.99 inc. VAT
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        S3 ‘EXTREM’ Head Kit for SHERCO 2016-2021 300cc

        SKU: XTR-1208-300-U
        £135.17 inc. VAT
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        S3 ‘EXTREM’ Head Kit for BETA 2019-2021 300 RR (NOT FOR 2022)

        SKU: XTR-BETARR-300-R
        £135.17 inc. VAT
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        S3 ‘EXTREM’ Head Kit for HUSKY TE300 2017 CARB + 2018-2021 TPI

        SKU: S3 XTR-985TPI-300-U
        £135.17 inc. VAT
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        S3 ‘EXTREM’ Head Kit for KTM EXC300 2018-2021 TPI

        SKU: S3 XTR-985TPI-300-O
        £135.17 inc. VAT
        -30%
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        S3 Stars Cylinder Head HUSKY TE250/300 2T ‘outer only’ until 2016

        SKU: S3-0413 U
        Original price was: £97.99.Current price is: £68.59. inc. VAT
        -30%
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        S3 Stars Cylinder Head Kit BETA Enduro RR 300 2T For 2018/2019 DOME piston

        SKU: STK-B-DOME-300R
        Original price was: £184.99.Current price is: £129.49. inc. VAT
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        S3 Cylinder Flange Saver KTM / HUSKY / NEW GASGAS UP TO 2023 – NOT TBi

        S3
        SKU: ET-1279
        £50.07 inc. VAT
        -30%Sold out
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        S3 Stars Cylinder Head kit GAS GAS EC 2018 on >

        SKU: STK-1058-
        Original price was: £194.99.Current price is: £136.49. inc. VAT
        -30%
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        S3 Stars Cylinder Head SHERCO 250cc – 300cc ‘outer only’ up to 2018

        SKU: S3-0413-U
        Original price was: £97.99.Current price is: £68.59. inc. VAT
        -30%Sold out
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        S3 Stars Cylinder Head Kit BETA Enduro RR 250 / 300 2T up to 2018 (flat top piston)

        SKU: STK-B-???- RR-R
        Original price was: £175.99.Current price is: £123.19. inc. VAT
        -30%
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        S3 Stars Cylinder Head BETA Enduro RR 250 / 300 2t ‘outer only’ all years

        SKU: S3-0413-R
        Original price was: £97.99.Current price is: £68.59. inc. VAT
        -35%
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        S3 YAMAHA YZF/WRF 300cc 84mm Piston Kit Only.

        SKU: PI-YAM-84
        Original price was: £154.99.Current price is: £100.00. inc. VAT
        -33%
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        S3 YAMAHA YZF/WRF Cylinder Gasket Kit.

        SKU: S3-GA-YAM
        Original price was: £59.99.Current price is: £40.00. inc. VAT
        -35%Sold out
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        S3 YAMAHA YZF/WRF 280cc / 80mm Big Bore kit.

        SKU: CYK-YAM-80
        Original price was: £542.35.Current price is: £350.00. inc. VAT
        -30%
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        S3 Stars Cylinder head GAS GAS EC250 + EC300 ‘inserts only’ all years

        SKU: ST-EC-IN
        Original price was: £50.25.Current price is: £35.18. inc. VAT
        -30%
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        S3 Stars Cylinder Head Kit S3 HUSKY 250 2T 2009 to 2016

        SKU: STK-HUS-250
        Original price was: £166.65.Current price is: £116.65. inc. VAT