Premium stainless steel 2.02" intake M-6507-A304 and 1.60" M-6505-B304 exhaust valves
Uses M-6513-BH Beehive style valve springs with machined retainers and machined valve locks. Most hydraulic cams can be used with these springs. 130lbs @ 1.800", 293lbs. @ 1.200" and CB @ 1.085"
Includes laser cut guide plates M-6566-Z304D for use with 5/16" pushrods and 7/16" rocker studs
Requires M-6564-F351C roller rocker arms with .150" offset pushrod intake cup (not included)
Check piston to valve clearance including radial valve clearance before installing these cylinder heads on your engine.
Same heads used on the M-6007-D347SR & M-6007-S374W FORD RACING CRATE ENGINES.
ASSEMBLED HEAD Sale Price $900 each Retail is $1049
Business Phone Number: (386) 253-6579 or 1-800-231-6172 This item is NEW Trades ACCEPTED Payment options: