BOLD MAGENTA part numbers are new for 2023 ENGINE PARTS-UNLIMITED.COM OFFROAD | 2023 1053 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. SEE PAGES 4-5 FOR IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. CYLINDER HEAD SERVICE KITS continued on next page. 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 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)
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