-20% Thermal Units Big Bore Cylinder Group Ø 100 mm 490 cc HONDA CRMF CREF X 450 cc 2005-2009 Athena P400210100021 €627.99 €784.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 100 mm 490 cc HONDA TRX ER 450 cc 2006-2014 Athena P400210100017 €627.99 €784.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-15% Thermal Units Big Bore Cylinder Group Ø 100 mm 490 cc KAWASAKI KFX R 450 cc 2008-2014 Athena P400250100010 €893.34 €1,050.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 100 mm 490 cc KAWASAKI KFX R 450 cc 2008-2014 Athena P400210100007 €627.99 €784.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 100 mm 490 cc KAWASAKI KLX R 450 cc 2008-2017 Athena P400250100003 €627.99 €784.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 100 mm 490 cc KAWASAKI KX F 450 cc 2009-2015 Athena P400250100015 €627.99 €784.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 100 mm 490 cc KAWASAKI KX F 450 cc 2016-2018 Athena P400250100023 €627.99 €784.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 102 mm 497 cc YAMAHA YZ F 450 cc 2018-2019 Athena P400485100068 €627.99 €784.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 105.5 mm YAMAHA YFM RAPTOR 700 cc 2006-2014 Athena P400485100070 €587.19 €733.99 Maximum durability and smoothness guaranteed by a special nickel and silicon treatment of the barrel Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 47.6 mm 70 cc APRILIA RX 50 cc 1989-2006 Athena 075700 €195.99 €244.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 50 mm 80 cc KAWASAKI KX 65 cc 2002-2023 Athena P400250100007 €453.59 €566.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 53 mm 105 46 cc YAMAHA YZ 85 cc 2019-2023 Athena P400485100077 €801.59 €1,001.99 Maximum durability and smoothness guaranteed by a special nickel and silicon treatment of the barrel Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 53 mm 112 cc YAMAHA YZ 85 cc 2002-2018 Athena P400485100039 €642.39 €802.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 63 mm 182 cc HONDA CRM F / X 125 cc 2008-2011 Athena P400485100035 €348.79 €435.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 63 mm 182 cc YAMAHA MT 125 125 cc 2015-2016 Athena P400485100055 €440.79 €550.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 63 mm 182 cc YAMAHA N-MAX 150 cc 2015-2016 Athena P400485100057 €279.99 €349.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 63 mm 182 cc YAMAHA WR125 X 125 cc 2009-2010 Athena P400485100034 €550.39 €687.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 81 mm 276 cc YAMAHA WR F 250 cc 2015-2018 Athena P400485100050 €579.99 €724.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 82 mm 276 cc HUSQVARNA FC Ktm engine 250 cc 2014-2015 Athena P400270100015 €579.99 €724.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 82 mm 276 cc KAWASAKI KX 4T 250 cc 2021-2022 Athena P400250100029 €579.99 €724.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 82 mm 280 cc HONDA CRE FX 250 cc 2004-2010 Athena P400210100009 €579.99 €724.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 83 mm 290 cc KAWASAKI KX F 250 cc 2009-2010 Athena P400250100013 €579.99 €724.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 83 mm 290 cc KAWASAKI KX F 250 cc 2011-2012 Athena P400250100018 €579.99 €724.99 Significant increase in performance without compromising the reliability of the engine Add to cart
-20% Thermal Units Big Bore Cylinder Group Ø 83 mm 290 cc KAWASAKI KX F 250 cc 2013-2016 Athena P400250100019 €579.99 €724.99 Significant increase in performance without compromising the reliability of the engine Add to cart