APE BIG BORE KITS

Available exclusively from Big Bore Thumpers.

Finish bored, nikasiled cylinder. Featuring race-style forged pistons from either CP or JE. Big bore head and base gaskets. Every kit also includes an APE billet manual cam chain tensioner (as shown on block.)


Questions? Give us a call (661) 256-7309 or contact by email

BIKE / ATV DISPLACEMENT PART # PRICE
HONDA CRF250R '04-'09 270CC BKH250R $429.00 - crankcase clearancing reqd. ***
HONDA CRF450R '02-'08 488CC BKH450R $429.00
HONDA CRF450X '05-'08 488CC BKH450X $429.00
KAWASAKI KX250X '06-'08 270CC BKK250F $429.00
KAWASAKI KLX400 R/SR '03-'06 434CC BKK400 $429.00
KAWASAKI KFX400 '03-'06 434CC BKK400-A $429.00
SUZUKI RMZ250 '04-'06 270CC BKS250R $429.00
SUZUKI DRZ400 '00-'09 434CC BKS400 $429.00
SUZUKI LTZ400 '00-'09 434CC BKS400-A $429.00
YAMAHA YZ250 '05-'09 270CC BKY250Z-1 $429.00
YAMAHA YZ/WR250 '01-'04 270CC BKY250Z-2 $429.00
YAMAHA YZ450F '03-'05 478CC BKY450F-1 $429.00
YAMAHA YZ450F '06-'09 478CC BKY450F-2 $429.00
YAMAHA WR450F '03-'06 478CC BKY450W-1 $429.00
YAMAHAA WR450F '07-'09 478CC BKY450W-2 $429.00
       

***Athena 280cc kit is a bolt-on with no clearancing required - here