Brian Crower BC3850 - Valves - 31.1mm (STD) Intake - Yamaha YXZ 2016+ / Arctic Cat XX 2018+

Brian Crower BC6008 - Connecting Rods - Honda R18 - Sportsman

Brian Crower BC5020B - Crankshaft - Honda/Acura B18/B20 92mm Stroke 4340 Billet

Brian Crower BC3807-N - Valves - 33.2mm (+3.8mm) Nimonic Exhaust - Polaris XPTurbo

Brian Crower BC3928 - Nissan RB26DETT 6.0mm Intake Valve Guides (Quantity of 12)

Brian Crower BC3604-1 - Subaru EJ205/EJ257 37mm Intake Valve - Single

Brian Crower BC5901 - Crankshaft - 2014+ Polaris XP1000 78mm Stroke 4340 Billet

Brian Crower BC3929 - Nissan RB26DETT 7.0mm Exhaust Valve Guides (Quantity of 12)

Brian Crower BC3605-S - 02-09 WRX / 04-09 STI EJ205/EJ255/EJ257 +1mm Over STD Tip (33mm) Exhaust Valve Set 8

Brian Crower BC3604-S - 02-09 WRX / 04-09 STI EJ205 / EJ255 / EJ257 +1mm Over STD Tip (37mm) Intake Valve Set 8

Brian Crower BC5789 - BMW M50/M52 95.6mm Stroke 4340 Billet

Brian Crower BC3803 - Valves - 30.2mm (+1mm) Exhaust - Polaris XP1000 / XPTurbo