Detalle de Producto

Disco/Rotor de Freno Trasero

No. Parte: #FR09159
Discos fabricados bajo estrictas especificaciones de equipo original que brindan un óptimo acoplamiento con el material de fricción y máxima duración.
Buick LaCrosse 16-10, Buick Regal 17-11, Cadillac XTS 17-13, Chevrolet Impala 16-14, Chevrolet Impala Limited 16, Chevrolet Malibu 16-13, Chevrolet Malibu Limited 16, Saab 9-5 11-10 Malibu 2.0T 13 a+, Buick La Crosse 10 a+, Regal 13 a+ ( ventilado 5 barrenos ).
SKU: #FR09159

Disco/Rotor de Freno
Descripción Valor
Diámetro entre barrenos/birlos(-)(mm)120
Tipo de gradoPerformance
Diámetro exterior(mm)315
Espesor mínimo de reemplazo(mm)21.5
Diámetro interno(mm)197.8
Espesor nominal(mm)23
Cantidad de barrenos/birlos(-)5
Ancho de superficie de fricción(mm)54.75
Tipo de superficieRectificado
Tipo de disco (sólido o ventilado)Ventilado
Acabado del discoRectificado
Acabado de la copaEstandar
MaterialFundición de hierro gris
ConstrucciónFull cast
Arillo ABS incluidoNo
Protector anti-corrosiónSi
RanuradoNo
Altura(mm)48
Taza de rodamiento interiorNo
Taza de rodamiento exteriorNo
Diámetro entre barrenos/birlos(-)(pulg)4.72440
Diámetro exterior(pulg)12.40155
Espesor mínimo de reemplazo(pulg)0.8464567
Diámetro interno(pulg)7.78739
Espesor nominal(pulg)0.90551
Ancho de superficie de fricción(pulg)2.15551
Altura(pulg)1.88976
Altura(pulg)1.88976
PosiciónTrasero




Tabla de aplicaciones

Año Marca Modelo Submodelo Motor (L)
1997 Buick Regal GS 3.8 V 3800 6 L67 OHV 12
1997 Buick Regal LS 3.8 V 3800 6 L36 OHV 12
1998 Buick Regal 25th Anniversary Edition 3.8 V 3800 6 L67 OHV 12
1998 Buick Regal GS 3.8 V 3800 6 L67 OHV 12
1998 Buick Regal LS 3.8 V 3800 6 L36 OHV 12
1999 Buick Regal GS 3.8 V 3800 6 L36 OHV 12
1999 Buick Regal GS 3.8 V 3800 6 L67 OHV 12
1999 Buick Regal LS 3.8 V 3800 6 L36 OHV 12
2000 Buick Regal GS 3.8 V 3800 6 L67 OHV 12
2000 Buick Regal GSE 3.8 V 3800 6 L67 OHV 12
2000 Buick Regal LS 3.8 V 3800 6 L36 OHV 12
2000 Buick Regal LSE 3.8 V 3800 6 L36 OHV 12
2001 Buick Regal GS 3.8 V 3800 6 L67 OHV 12
2001 Buick Regal LS 3.8 V 3800 6 L36 OHV 12
2002 Buick Regal GS 3.8 V 3800 6 L67 OHV 12
2002 Buick Regal LS 3.8 V 3800 6 L36 OHV 12
2003 Buick Regal GS 3.8 V 3800 6 L67 OHV 12
2003 Buick Regal LS 3.8 V 3800 6 L36 OHV 12
2004 Buick Regal GS 3.8 V 3800 6 L67 OHV 12
2004 Buick Regal LS 3.8 V 3800 6 L36 OHV 12
2010 Buick LaCrosse CX 2.4 L 2384 4 LAF DOHC 16
2010 Buick LaCrosse CX 3.0 V - 6 LF1 DOHC 24
2010 Buick LaCrosse CXL 3.0 V - 6 LF1 DOHC 24
2010 Buick LaCrosse CXS 3.6 V 3564 6 LLT DOHC 24
2011 Buick LaCrosse CX 2.4 L 2384 4 LAF DOHC 16
2011 Buick LaCrosse CX 3.6 V 3564 6 LLT DOHC 24
2011 Buick LaCrosse CXL 2.4 L 2384 4 LAF DOHC 16
2011 Buick LaCrosse CXL 3.6 V 3564 6 LLT DOHC 24
2011 Buick LaCrosse CXS 3.6 V 3564 6 LLT DOHC 24
2011 Buick Regal CXL 2.0 L 1998 4 LHU DOHC 16
2011 Buick Regal CXL 2.4 L 2384 4 LAF DOHC 16
2012 Buick LaCrosse Base 2.4 L 2384 4 LUK DOHC 16
2012 Buick LaCrosse Base 3.6 V 3564 6 LFX DOHC 24
2012 Buick LaCrosse CXS 3.6 V 3564 6 LFX DOHC 24
2012 Buick LaCrosse Convenience 2.4 L 2384 4 LUK DOHC 16
2012 Buick LaCrosse Convenience 3.6 V 3564 6 LFX DOHC 24
2012 Buick LaCrosse Leather 2.4 L 2384 4 LUK DOHC 16
2012 Buick LaCrosse Leather 3.6 V 3564 6 LFX DOHC 24
2012 Buick LaCrosse Premium 2.4 L 2384 4 LUK DOHC 16
2012 Buick LaCrosse Premium 3.6 V 3564 6 LFX DOHC 24
2012 Buick LaCrosse Touring 3.6 V 3564 6 LFX DOHC 24
2012 Buick Regal Base 2.4 L 2384 4 LEA DOHC 16
2012 Buick Regal Base 2.4 L 2384 4 LUK DOHC 16
2012 Buick Regal GS 2.0 L 1998 4 LHU DOHC 16
2012 Buick Regal Premium 2.0 L 1998 4 LHU DOHC 16
2012 Buick Regal Premium 2.4 L 2384 4 LUK DOHC 16
2013 Buick LaCrosse Base 2.4 L 2384 4 LUK DOHC 16
2013 Buick LaCrosse Base 3.6 V 3564 6 LFX DOHC 24
2013 Buick LaCrosse CXS 3.6 V 3564 6 LFX DOHC 24
2013 Buick LaCrosse Leather 2.4 L 2384 4 LUK DOHC 16
2013 Buick LaCrosse Leather 3.6 V 3564 6 LFX DOHC 24
2013 Buick LaCrosse Premium 3.6 V 3564 6 LFX DOHC 24
2013 Buick LaCrosse Touring 3.6 V 3564 6 LFX DOHC 24
2013 Buick Regal Base 2.4 L 2384 4 LUK DOHC 16
2013 Buick Regal GS 2.0 L 1998 4 LHU DOHC 16
2013 Buick Regal Premium 2.0 L 1998 4 LHU DOHC 16
2013 Buick Regal Premium 2.0 L 1998 4 LTG DOHC 16
2013 Buick Regal Premium 2.4 L 2384 4 LUK DOHC 16
2013 Cadillac XTS Base 3.6 V 3564 6 LFX DOHC 24
2013 Cadillac XTS Livery 3.6 V 3564 6 LFX DOHC 24
2013 Cadillac XTS Luxury 3.6 V 3564 6 LFX DOHC 24
2013 Cadillac XTS Platinum 3.6 V 3564 6 LFX DOHC 24
2013 Cadillac XTS Premium 3.6 V 3564 6 LFX DOHC 24
2013 Chevrolet Malibu Eco 2.4 L 2384 4 LUK DOHC 16
2013 Chevrolet Malibu LS 2.5 L 2457 4 LCV DOHC 16
2013 Chevrolet Malibu LT 2.0 L 1998 4 LTG DOHC 16
2013 Chevrolet Malibu LT 2.5 L 2457 4 LCV DOHC 16
2013 Chevrolet Malibu LTZ 2.0 L 1998 4 LTG DOHC 16
2013 Chevrolet Malibu LTZ 2.5 L 2457 4 LCV DOHC 16
2014 Buick LaCrosse Base 2.4 L 2384 4 LUK DOHC 16
2014 Buick LaCrosse Base 3.6 V 3564 6 LFX DOHC 24
2014 Buick LaCrosse Leather 2.4 L 2384 4 LUK DOHC 16
2014 Buick LaCrosse Leather 3.6 V 3564 6 LFX DOHC 24
2014 Buick LaCrosse Premium 2.4 L 2384 4 LUK DOHC 16
2014 Buick LaCrosse Premium 3.6 V 3564 6 LFX DOHC 24
2014 Buick Regal Base 2.4 L 2384 4 LUK DOHC 16
2014 Buick Regal GS 2.0 L 1998 4 LTG DOHC 16
2014 Buick Regal Premium 2.0 L 1998 4 LTG DOHC 16
2014 Buick Regal Premium 2.4 L 2384 4 LUK DOHC 16
2014 Cadillac CTS Base 2.0 L 1998 4 LTG DOHC 16
2014 Cadillac CTS Base 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac CTS Coupe 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac CTS Coupe 3.6 V 3564 6 LLT DOHC 24
2014 Cadillac CTS Luxury 2.0 L 1998 4 LTG DOHC 16
2014 Cadillac CTS Luxury 3.0 V - 6 LFW DOHC 24
2014 Cadillac CTS Luxury 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac CTS Performance 2.0 L 1998 4 LTG DOHC 16
2014 Cadillac CTS Performance 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac CTS Premium 2.0 L 1998 4 LTG DOHC 16
2014 Cadillac CTS Premium 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac CTS V 6.2 V 6162 8 LSA OHV 16
2014 Cadillac CTS V Luxury 6.2 V 6162 8 LSA OHV 16
2014 Cadillac CTS V Premium Black Diamond 6.2 V 6162 8 LSA OHV 16
2014 Cadillac CTS Vsport 3.6 V 3564 6 LF3 DOHC 24
2014 Cadillac CTS Vsport Premium 3.6 V 3564 6 LF3 DOHC 24
2014 Cadillac XTS Base 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac XTS Livery 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac XTS Luxury 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac XTS Platinum 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac XTS Premium 3.6 V 3564 6 LFX DOHC 24
2014 Cadillac XTS Vsport Platinum 3.6 V 3564 6 LF3 DOHC 24
2014 Cadillac XTS Vsport Premium 3.6 V 3564 6 LF3 DOHC 24
2014 Chevrolet Impala Eco 2.4 L 2384 4 LUK DOHC 16
2014 Chevrolet Impala LS 2.5 L 2457 4 LKW DOHC 16
2014 Chevrolet Impala LT 2.5 L 2457 4 LKW DOHC 16
2014 Chevrolet Impala LT 3.6 V 3564 6 LFX DOHC 24
2014 Chevrolet Impala LTZ 2.5 L 2457 4 LKW DOHC 16
2014 Chevrolet Impala LTZ 3.6 V 3564 6 LFX DOHC 24
2014 Chevrolet Malibu Eco 2.4 L 2384 4 LUK DOHC 16
2014 Chevrolet Malibu LS 2.5 L 2457 4 LKW DOHC 16
2014 Chevrolet Malibu LT 2.0 L 1998 4 LTG DOHC 16
2014 Chevrolet Malibu LT 2.5 L 2457 4 LKW DOHC 16
2014 Chevrolet Malibu LTZ 2.0 L 1998 4 LTG DOHC 16
2014 Chevrolet Malibu LTZ 2.5 L 2457 4 LKW DOHC 16
2015 Buick LaCrosse Base 2.4 L 2384 4 LUK DOHC 16
2015 Buick LaCrosse Base 3.6 V 3564 6 LFX DOHC 24
2015 Buick LaCrosse Leather 2.4 L 2384 4 LUK DOHC 16
2015 Buick LaCrosse Leather 3.6 V 3564 6 LFX DOHC 24
2015 Buick LaCrosse Premium 3.6 V 3564 6 LFX DOHC 24
2015 Buick Regal Base 2.0 L 1998 4 LTG DOHC 16
2015 Buick Regal Base 2.4 L 2384 4 LEA DOHC 16
2015 Buick Regal GS 2.0 L 1998 4 LTG DOHC 16
2015 Buick Regal Premium 2.0 L 1998 4 LTG DOHC 16
2015 Buick Regal Premium 2.4 L 2384 4 LUK DOHC 16
2015 Cadillac CTS Base 2.0 L 1998 4 LTG DOHC 16
2015 Cadillac CTS Luxury 2.0 L 1998 4 LTG DOHC 16
2015 Cadillac CTS Luxury 3.6 V 3564 6 LFX DOHC 24
2015 Cadillac CTS Performance 2.0 L 1998 4 LTG DOHC 16
2015 Cadillac CTS Performance 3.6 V 3564 6 LFX DOHC 24
2015 Cadillac CTS Premium 2.0 L 1998 4 LTG DOHC 16
2015 Cadillac CTS Premium 3.6 V 3564 6 LFX DOHC 24
2015 Cadillac CTS V 6.2 V 6162 8 LSA OHV 16
2015 Cadillac CTS Vsport 3.6 V 3564 6 LF3 DOHC 24
2015 Cadillac CTS Vsport Premium 3.6 V 3564 6 LF3 DOHC 24
2015 Cadillac XTS Base 3.6 V 3564 6 LFX DOHC 24
2015 Cadillac XTS Livery 3.6 V 3564 6 LFX DOHC 24
2015 Cadillac XTS Luxury 3.6 V 3564 6 LFX DOHC 24
2015 Cadillac XTS Platinum 3.6 V 3564 6 LFX DOHC 24
2015 Cadillac XTS Premium 3.6 V 3564 6 LFX DOHC 24
2015 Cadillac XTS Vsport Platinum 3.6 V 3564 6 LF3 DOHC 24
2015 Cadillac XTS Vsport Premium 3.6 V 3564 6 LF3 DOHC 24
2015 Chevrolet Impala LS 2.5 L 2457 4 LKW DOHC 16
2015 Chevrolet Impala LS 3.6 V 3564 6 LFR DOHC 24
2015 Chevrolet Impala LT 2.5 L 2457 4 LKW DOHC 16
2015 Chevrolet Impala LT 3.6 V 3564 6 LFR DOHC 24
2015 Chevrolet Impala LT 3.6 V 3564 6 LFX DOHC 24
2015 Chevrolet Impala LTZ 2.5 L 2457 4 LKW DOHC 16
2015 Chevrolet Impala LTZ 3.6 V 3564 6 LFX DOHC 24
2015 Chevrolet Malibu LS 2.5 L 2457 4 LKW DOHC 16
2015 Chevrolet Malibu LT 2.0 L 1998 4 LTG DOHC 16
2015 Chevrolet Malibu LT 2.5 L 2457 4 LKW DOHC 16
2015 Chevrolet Malibu LTZ 2.0 L 1998 4 LTG DOHC 16
2015 Chevrolet Malibu LTZ 2.5 L 2457 4 LKW DOHC 16
2016 Buick LaCrosse Base 2.4 L 2384 4 LUK DOHC 16
2016 Buick LaCrosse Base 3.6 V 3564 6 LFX DOHC 24
2016 Buick LaCrosse Leather 2.4 L 2384 4 LUK DOHC 16
2016 Buick LaCrosse Leather 3.6 V 3564 6 LFX DOHC 24
2016 Buick LaCrosse Premium 3.6 V 3564 6 LFX DOHC 24
2016 Buick LaCrosse Sport Touring 3.6 V 3564 6 LFX DOHC 24
2016 Buick Regal Base 2.0 L 1998 4 LTG DOHC 16
2016 Buick Regal Base 2.4 L 2384 4 LEA DOHC 16
2016 Buick Regal GS 2.0 L 1998 4 LTG DOHC 16
2016 Buick Regal Premium 2.0 L 1998 4 LTG DOHC 16
2016 Buick Regal Premium 2.4 L 2384 4 LUK DOHC 16
2016 Buick Regal Sport Touring 2.0 L 1998 4 LTG DOHC 16
2016 Cadillac CTS Base 2.0 L 1998 4 LTG DOHC 16
2016 Cadillac CTS Luxury 2.0 L 1998 4 LTG DOHC 16
2016 Cadillac CTS Luxury 3.6 V - 6 LGX DOHC 24
2016 Cadillac CTS Performance 2.0 L 1998 4 LTG DOHC 16
2016 Cadillac CTS Performance 3.6 V - 6 LGX DOHC 24
2016 Cadillac CTS Premium 2.0 L 1998 4 LTG DOHC 16
2016 Cadillac CTS Premium 3.6 V - 6 LGX DOHC 24
2016 Cadillac CTS Premium 3.6 V 3564 6 LFX DOHC 24
2016 Cadillac CTS V 6.2 V 6162 8 LT4 OHV 16
2016 Cadillac CTS Vsport 3.6 V 3564 6 LF3 DOHC 24
2016 Cadillac CTS Vsport Premium 3.6 V 3564 6 LF3 DOHC 24
2016 Cadillac XTS Base 3.6 V 3564 6 LFX DOHC 24
2016 Cadillac XTS Livery 3.6 V 3564 6 LFX DOHC 24
2016 Cadillac XTS Luxury 3.6 V 3564 6 LFX DOHC 24
2016 Cadillac XTS Platinum 3.6 V 3564 6 LFX DOHC 24
2016 Cadillac XTS Premium 3.6 V 3564 6 LFX DOHC 24
2016 Cadillac XTS Vsport Platinum 3.6 V 3564 6 LF3 DOHC 24
2016 Cadillac XTS Vsport Premium 3.6 V 3564 6 LF3 DOHC 24
2016 Chevrolet Camaro LT 2.0 L 1998 4 LTG DOHC 16
2016 Chevrolet Camaro LT 3.6 V - 6 LGX DOHC 24
2016 Chevrolet Camaro RS 3.6 V - 6 LGX DOHC 24
2016 Chevrolet Impala LS 2.5 L 2457 4 LCV DOHC 16
2016 Chevrolet Impala LS 3.6 V 3564 6 LFR DOHC 24
2016 Chevrolet Impala LT 2.5 L 2457 4 LCV DOHC 16
2016 Chevrolet Impala LT 3.6 V 3564 6 LFR DOHC 24
2016 Chevrolet Impala LT 3.6 V 3564 6 LFX DOHC 24
2016 Chevrolet Impala LTZ 2.5 L 2457 4 LCV DOHC 16
2016 Chevrolet Impala LTZ 3.6 V 3564 6 LFX DOHC 24
2016 Chevrolet Impala Limited LS 3.6 V 3564 6 LFX DOHC 24
2016 Chevrolet Impala Limited LT 3.6 V 3564 6 LFX DOHC 24
2016 Chevrolet Impala Limited LTZ 3.6 V 3564 6 LFX DOHC 24
2016 Chevrolet Impala Limited Police 3.6 V 3564 6 LFX DOHC 24
2016 Chevrolet Malibu Hybrid 1.8 L 1796 4 LKN DOHC 16
2016 Chevrolet Malibu L 1.5 L 1490 4 LFV DOHC 16
2016 Chevrolet Malibu LS 1.5 L 1490 4 LFV DOHC 16
2016 Chevrolet Malibu LT 1.5 L 1490 4 LFV DOHC 16
2016 Chevrolet Malibu LT 2.0 L 1998 4 LTG DOHC 16
2016 Chevrolet Malibu Premier 2.0 L 1998 4 LTG DOHC 16
2016 Chevrolet Malibu Limited LS 2.5 L 2457 4 LCV DOHC 16
2016 Chevrolet Malibu Limited LT 2.5 L 2457 4 LCV DOHC 16
2016 Chevrolet Malibu Limited LTZ 2.5 L 2457 4 LCV DOHC 16
2017 Buick LaCrosse Base 3.6 V - 6 LGX DOHC 24
2017 Buick LaCrosse Essence 3.6 V - 6 LGX DOHC 24
2017 Buick LaCrosse Preferred 3.6 V - 6 LGX DOHC 24
2017 Buick LaCrosse Premium 3.6 V - 6 LGX DOHC 24
2017 Buick Regal Base 2.0 L 1998 4 LTG DOHC 16
2017 Buick Regal Base 2.4 L 2384 4 LEA DOHC 16
2017 Buick Regal GS 2.0 L 1998 4 LTG DOHC 16
2017 Buick Regal Premium 2.0 L 1998 4 LTG DOHC 16
2017 Buick Regal Sport Touring 2.0 L 1998 4 LTG DOHC 16
2017 Cadillac CTS Base 2.0 L 1998 4 LTG DOHC 16
2017 Cadillac CTS Luxury 2.0 L 1998 4 LTG DOHC 16
2017 Cadillac CTS Luxury 3.6 V - 6 LGX DOHC 24
2017 Cadillac CTS Premium 3.6 V - 6 LGX DOHC 24
2017 Cadillac CTS Premium Luxury 3.6 V - 6 LGX DOHC 24
2017 Cadillac CTS V 6.2 V 6162 8 LT4 OHV 16
2017 Cadillac CTS Vsport 3.6 V 3564 6 LF3 DOHC 24
2017 Cadillac CTS Vsport Premium Luxury 3.6 V 3564 6 LF3 DOHC 24
2017 Cadillac XTS Base 3.6 V 3564 6 LFX DOHC 24
2017 Cadillac XTS Livery 3.6 V 3564 6 LFX DOHC 24
2017 Cadillac XTS Luxury 3.6 V 3564 6 LFX DOHC 24
2017 Cadillac XTS Platinum 3.6 V 3564 6 LFX DOHC 24
2017 Cadillac XTS Premium 3.6 V 3564 6 LFX DOHC 24
2017 Cadillac XTS Premium Luxury 3.6 V 3564 6 LFX DOHC 24
2017 Cadillac XTS Vsport Platinum 3.6 V 3564 6 LF3 DOHC 24
2017 Cadillac XTS Vsport Premium Luxury 3.6 V 3564 6 LF3 DOHC 24
2017 Chevrolet Camaro LT 2.0 L 1998 4 LTG DOHC 16
2017 Chevrolet Camaro LT 3.6 V - 6 LGX DOHC 24
2017 Chevrolet Camaro RS 3.6 V - 6 LGX DOHC 24
2018 Cadillac CTS Base 2.0 L 1998 4 LTG DOHC 16
2018 Cadillac CTS Luxury 2.0 L 1998 4 LTG DOHC 16
2018 Cadillac CTS Luxury 3.6 V - 6 LGX DOHC 24
2018 Cadillac CTS Premium 3.6 V - 6 LGX DOHC 24
2018 Cadillac CTS Premium Luxury 3.6 V - 6 LGX DOHC 24
2018 Cadillac CTS V 6.2 V 6162 8 LT4 OHV 16
2018 Cadillac CTS Vsport 3.6 V 3564 6 LF3 DOHC 24
2018 Cadillac CTS Vsport Premium Luxury 3.6 V 3564 6 LF3 DOHC 24
2018 Chevrolet Camaro LT 2.0 L 1998 4 LTG DOHC 16
2018 Chevrolet Camaro LT 3.6 V - 6 LGX DOHC 24
2018 Chevrolet Camaro RS 3.6 V - 6 LGX DOHC 24
2018 Chevrolet Camaro RS Edicion Especial 3.6 V - 6 LGX DOHC 24
2019 Cadillac CTS Base 2.0 L 1998 4 LTG DOHC 16
2019 Cadillac CTS Luxury 2.0 L 1998 4 LTG DOHC 16
2019 Cadillac CTS Luxury 3.6 V - 6 LGX DOHC 24
2019 Cadillac CTS Premium 3.6 V - 6 LGX DOHC 24
2019 Cadillac CTS Premium Luxury 3.6 V - 6 LGX DOHC 24
2019 Cadillac CTS V 6.2 V 6162 8 LT4 OHV 16
2019 Cadillac CTS Vsport 3.6 V 3564 6 LF3 DOHC 24
2019 Cadillac CTS Vsport Premium Luxury 3.6 V 3564 6 LF3 DOHC 24
2019 Chevrolet Camaro LT 2.0 L 1998 4 LTG DOHC 16
2019 Chevrolet Camaro LT 3.6 V - 6 LGX DOHC 24
2019 Chevrolet Camaro RS 3.6 V - 6 LGX DOHC 24
2020 Chevrolet Camaro LT 2.0 L 1998 4 LTG DOHC 16
2020 Chevrolet Camaro LT 3.6 V - 6 LGX DOHC 24
2021 Chevrolet Camaro LT 2.0 L 1998 4 LTG DOHC 16
2021 Chevrolet Camaro LT 3.6 V - 6 LGX DOHC 24