Description
Honda CR250 Phathead Combustion Chambers Chamber selection:HF24 14.4cc (105+ octane) 8cc 72mm 93 octane Chamber selection:K14 110 + CR125R9304 cobra YFB250FW Timberwolf 4x4 YFM350ER 8cc 72mm 93 octane Revised squish clearance 4cc StockT02 6