Listing is for a 150 cylinder head double roller bearing performance cam with big valves

And progressive valve springs

Also

bigbore kit 150cc straight fit as per second photo

Bigbore kit is 61mm bore with a the smaller outer dia linner onthe cylinder fit you crankcase hole without modifications

Honda TL125 CB125 XL125 XL185 cylinder head performance ALSO FITS ALL OUR BIG BORE KITS 150 170 190

camshaft is mounted on roller bearings back and front ,double progressive valve springs ,bigger valves ,lovely addition to your honda project no more worry’s of worn journals in head

Makes for Free reving engine due to no drag on cam ,no valve bounce due to double valve springs.

fitted with lifetime guarantee vitron valve stem seals

DOES NOT COME WITH TOP TIMING CHAIN SPROCKET JUST BOLT ON YOUR ORG ONE

CYLINDER HEAD COMES COMPLETE AND READY TO GO DONE READY TO WINS TRIALS POWER GAIN IS IMENSE 

( MOUNTING BRACKET MAY VARRY ON ROCKER COVER )

This is not a Oe part , it’s better than a Oe part in our and others opinions

APPEARANCE MAY DIFFER SLIGHTLY SPECS WILL ALWAYS BE THE SAME VALVES ,SPRINGS, CAM ,BEARINGS

COMES IN BLACK OR SILVER UP TO YOU LEAVE MESAGE 

NO MESAGE WE WILL SEND SILVER

SPECS SPEAK FIR THEM SELVES 

Valve inlet 31MM.  TL125   IS ONLY 28MM 3mm increase 

Valve EXH 26mm. TL125  IS ONLY 22MM 4mm increase

CAM is Double roller bearings cam FRONT & REAR ROLLER BEARING CAM IS 122.5 MM LONG NOSE FOR CDI/OR ADVANCE AND RETARD SYSTEM IF POINTS FITTED

INLET lobe LIFT 31.83mm 

EXHAUST lobe LIFT 31.45mm 

IMPROVED OVER LAP LONGER DURATION

NOT ONLY GIVES MORE POWER ,BUT MORE SMOTHER POWER ON THE BOTTOM AND MID RANGE 

DOUBLE PROGESSIVE VALVE SPRING TO STOP VALVE BOUND WITH REVING SO HARD ON THE TOP END 

NICE FOR THEM HILL CLIMBS AND ROCK STEPS 

Tappet clearances with engine cold, set the clearance on the intake to .004 to .006. Now set the exhaust to .007 to .009.

IMPORTANT GOODS SENT TO WORLD WIDE DESTINATIONS CAN NOW BE SUBJECT TO EXTRA GOVERNMENT TAXES/DUTY ON ARIVAL TO YOUR COUNTRY THIS HAS NOTHING TO DO WITH US AND IS BEYOND OUR CONTROL PLEASE CONTACT YOUR GOVERNMENT /POST OFFICE