BOLD MAGENTA part numbers are new for 2024 ENGINE PARTS-UNLIMITED.COM OFFROAD | 2024 CYLINDER HEAD SERVICE KITS continued on next page. 1231 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. CYLINDER HEAD SERVICE KITS •Everything needed to completely refresh/upgrade the cylinder head •Include lightweight racing valve spring kits with titanium valve spring retainers, beehive or dual valve springs, steel base washers and Viton® valve stem seals •Black Diamond™ or White Diamond® stainless steel valves for increased longevity (valves are standard size) •C630 bronze valve guides (standard size) • Top-end gasket kit including base gaskets, engine case gaskets, exhaust gaskets, head gaskets and necessary O-rings and washers (as needed per application) DESCRIPTION SPECIFICATIONS KIT CONTENTS PART # SUG. RETAIL HONDA CRF150R 07-22 Max valve lift (intake.exhaust) .350”, 1.320” installed height, 45 lb. seat pressure, 143 lb. open pressure, .350” max lift 4 titanium valve spring retainers, 4 CrSi valve springs (2 intake/2 exhaust), 4 H.T. steel base washers, Black Diamond™ valves (2 intake/2 exhaust), C630 valve guides, top-end gasket kit 0926-3223 $451.95 CRF250R 04-07, CRF250X 04-17 Max valve lift (intake/exhaust) .350”, 1.320” installed height, seat pressure 50 lb., open pressure 145 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C630 valve guides, top-end gasket kit 0926-3116 449.95 CRF250R 10-15 Max valve lift (intake/exhaust) .385”, 1.185” installed height, seat pressure 50 lb., open pressure 160 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C630 valve guides, top-end gasket kit 0926-3117 456.95 CRF250R 16-17 Max valve lift (intake/exhaust) .380”, 1.180” installed height, seat pressure 51 lb., open pressure 160 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C630 valve guides, top-end gasket kit 0926-3118 462.95 CRF450R 02-06 Intake: max valve lift .440”, 1.215” installed height, seat pressure 40 lb., open pressure 162 lb.; Exhaust: max valve lift .440”, 1.360” installed height, seat pressure 90 lb., open pressure 220 lb. 4 titanium retainers, 2 intake valve springs, 2 progressively wound exhaust springs, steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C674 valve guides, top-end gasket kit 0926-3120 411.95 CRF450R 07-08 Intake: max valve lift .440”, 1.215” installed height, seat pressure 40 lb., open pressure 162 lb.; Exhaust: max valve lift .440”, 1.360” installed height, seat pressure 90 lb., open pressure 220 lb. 4 titanium retainers, 2 intake valve springs, 2 progressively wound exhaust springs, steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C674 valve guides, top-end gasket kit 0926-3121 411.95 CRF450R/RX/ RWE 17-21 Intake: max valve lift .440”, 1.340” installed height, seat pressure 50 lb., open pressure 162 lb.; Exhaust: max valve lift .405”, 1.360” installed height, seat pressure 90 lb., open pressure 220 lb. 4 titanium retainers, 2 intake valve springs, 2 progressively wound exhaust springs, 4 steel base washers, 2 White Diamond® Inconel® intake valves, 2 White Diamond® Inconel® exhaust valves, 4 C630 valve guides, top-end gasket kit 0926-3119 499.95 CRF450X 05-17 Intake: .440” max valve lift, 1.215” installed height, 40 lb. seat pressure, 147 lb. open pressure, .440” max lift; Exhaust: .440” max valve lift, 1.365” installed height, 70 lb. seat pressure, 203 lb. open pressure, .440” max lift 4 titanium valve spring retainers, 4 CrSi valve springs (2 intake/2 exhaust), 4 H.T. steel base washers, Black Diamond™ valves (2 intake/2 exhaust), C630 valve guides, top-end gasket kit 0926-3224 412.95 XR650L 93-19 Max valve lift (intake/exhaust).465”, 1.210” installed height, 70 lb. seat pressure, 185 lb. seat pressure, .400” max lift 4 titanium valve spring retainers, 4 CrSi valve springs (2 intake/2 exhaust), 4 H.T. steel shims, Black Diamond™ valves (2 intake/2 exhaust), C630 valve guides, 4 red Viton® valve seals, top-end gasket kit 0926-3226 404.95 KAWASAKI KX250F 04-06 Max valve lift (intake/exhaust) .445”, installed height 1.320”, seat pressure 46 lb., open pressure 155 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C674 valve guides, top-end gasket kit 0926-3123 453.95 KX250F 07-08 Max valve lift (intake/exhaust) .445”, installed height 1.320”, seat pressure 46 lb., open pressure 155 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C674 valve guides, top-end gasket kit 0926-3124 475.95 KX250F 09-16 Max valve lift (intake/exhaust) .445”, installed height 1.320”, seat pressure 46 lb., open pressure 155 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C674 valve guides, top-end gasket kit 0926-3125 475.95 KX450F 09-15 Intake: max valve lift .415”, installed height 1.290”, seat pressure 64 lb., open pressure 169 lb.; Exhaust: max valve lift .415”, installed height 1.240”, seat pressure 65 lb., open pressure 170 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C630 valve guides, top-end gasket kit 0926-3126 418.95 KX450F 16 Intake: max valve lift .415”, installed height 1.290”, seat pressure 64 lb., open pressure 169 lb.; Exhaust: max valve lift .415”, installed height 1.240”, seat pressure 65 lb., open pressure 170 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C630 valve guides, top-end gasket kit 0926-3127 418.95 SUZUKI RM-Z250 10-17 Max valve lift (intake/exhaust) .445”, installed height 1.300”, seat pressure 51 lb., open pressure 160 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers,White Diamond® intake/exhaust valves (2 each), 4 C630 valve guides, top-end gasket kit 0926-3129 428.95 DR-Z400 00-19 Max valve lift (intake/exhaust) .440”, 1.205” installed height, 57 lb. seat pressure, 171 lb. open pressure, .440” max lift 4 titanium valve spring retainers, 4 CrSi valve springs (2 intake/2 exhaust), 4 H.T. steel base washers,White Diamond™ valves (2 intake/2 exhaust), C674 valve guides, top-end gasket kit 0926-3232 335.95 RM-Z450 08-20 Intake: max valve lift .415”, installed height 1.190”, seat pressure 61 lb., open pressure 168 lb.; Exhaust: max valve lift .415”, installed height 1.220”, seat pressure 56 lb., open pressure 157 lb. 4 titanium retainers, 4 valve springs, 4 steel base washers, Black Diamond™ intake/exhaust valves (2 each), 4 C674 valve guides, top-end gasket kit 0926-3130 473.95
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