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Shop the Engine category for Cylinders & Kits parts available trade-only from ORO2U. With trusted brands, competitive pricing, and fast UK delivery. Use vehicle filter to search by make, year, model, and CC for an exact fit, and contact our team for expert help with fitment or sizing.
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CYLINDER KIT VERTEX 102.0 KTM EXC400/450 08-12, VERTEX 420025 HUSABERG FE450E 09-11 56-K196.102.CKVRetail Price £1,162.32 £968.60 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT CRF 250 R 18-19, 79MM STD, CYLINDER WORKS KIT CW10011K01 56-K197.79_STD.CWKRetail Price £605.15 £504.29 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT CRF 250 R 18-19, 79MM, CYLINDER WORKS KIT CW10011K01HC, 14.6:1 HIGH COMPRESSION 56-K197.79_HC.CWKRetail Price £646.10 £538.42 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT CRF 250 R 18-21, 82MM BIG BORE, CYLINDER WORKS KIT CW11011K01 56-K197.82_BB.CWKRetail Price £765.62 £638.02 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT CRF 250 R 18-24, 85MM, ATHENA P400210100067 289CC BIG BORE, (Piston included) 56-K197.85_BB.ATHRetail Price £687.84 £573.20 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT 102MM YAMAHA YZ 450 18-20, ATHENA P400485100068 497CC BIG BORE, (Piston included) 56-K198.102_BB.ATHRetail Price £695.62 £579.68 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT 98mm HONDA CRF 450 17-26, ATHENA P400210100060 470CC BIG BORE, (Piston included) 56-K188.098.ATHRetail Price £695.62 £579.68 Trade Only: Please login or Click here to find a dealer
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CYLINDER HEAD KIT 09 CRF250R, Cylinder Works - CH1001-K01 56-H100.CWRetail Price £576.14 £480.12 Trade Only: Please login or Click here to find a dealerOut of stock
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CYLINDER HEAD KIT 08 CRF250R, Cylinder Works - CH1002-K01 56-H101.CWRetail Price £576.14 £480.12 Trade Only: Please login or Click here to find a dealer
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CYLINDER HEAD KIT 04-07 CRF250R, Cylinder Works - CH1003-K01, 04-06 CRF250X HONDA, 12010-KRN-A00 56-H102.CWRetail Price £576.00 £480.00 Trade Only: Please login or Click here to find a dealer
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CYLINDER HEAD KIT RMZ250 KXF250, Cylinder Works - CH3002-K01, 04 -05 Kawasaki KX 250F, 04 -06 Suzuki RMZ 250 56-H103.CWRetail Price £689.09 £574.24 Trade Only: Please login or Click here to find a dealerOut of stock
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CYLINDER HEAD KIT 06-08 KXF250, Cylinder Works - CH3001-K01 56-H104.CWRetail Price £692.10 £576.75 Trade Only: Please login or Click here to find a dealerOut of stock
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Exhaust Power Valve 99-17 YZ250, Cylinder Works CW-PV-K01 BORE STD 56-PV001.00Retail Price £245.71 £204.76 Trade Only: Please login or Click here to find a dealer
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Exhaust Power Valve 99-17 YZ250, Cylinder Works CW-PV-K02 BORE 72mm 56-PV001.72Retail Price £383.65 £319.71 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT 13-15 RM-Z250 77, WORKS 40004-K02 STD, WITH VERTEX PISTON KIT 56-K148.77.CKWRetail Price £684.80 £570.67 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT BIG BORE WITH VERTEX PISTON KIT 2013-2018 SUZUKI RMZ250 80mm WORKS 41004-K02 56-K148.80.CKW2Retail Price £777.08 £647.57 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT 68mm 12-21 CRF150R, WORKS 11004-K02 BIG BORE 56-K116.68.CKW2Retail Price £702.85 £585.71 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT 100 02-08 CRF450 WORKS, HONDA 02-08 CRF450, CYLINDER WORKS 11002-K01 56-K101.100.CKWRetail Price £683.35 £569.46 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT +1.00mm BIG BORE 79.00mm HONDA 2004 - 2017 CRF 250 R X CYLINDER WORKS 12001-K01 56-K100.79.CKWRetail Price £599.06 £499.22 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT 13-16 CRF450 99mm, WORKS 478cc 11006-K02 56-K142.099.CKW2Retail Price £774.17 £645.14 Trade Only: Please login or Click here to find a dealer