SPECIAL INTRODUCTORY PRICE - BUY STRAIGHT FROM THE MANUFACTURER Big Bore Thumper's billet oil filler caps and billet timing covers are machined from aluminum and anodized black. The oil filler caps are drilled for safety wire. Available for the Honda CRF150R, 250R/X and 450R/X. CRF450R/X ('04-'08) Two oil filler caps and one timing cover. $45.00 - #BPK450 CRF150R & 250R/X One oil filler cap, one timing cover $31.99 - #BPK250 #DPKH450 - Filler cap only $18.99 ea. #TCH450 - Timing cover only $18.99 ea