Bleed Down lifters give increased low end performance due to reduced overlap and lift and revert to STD above 3500rpm.
Gives better mpg on small throtle openings
Enables the use of more radical cam profile and yet maintains street drivability.
Suitable for 3.5 to 5.0 litre engines
To aid assembly and to prevent premature follower and cam lobe scuff use Cam Break In Addative and High ZDDP Engine Oil must be used ( See notes on zinc and catalytic converters) .
Shiming may be required if using non stanadrd camshaft or your block deck or cylinder head faces have been machined.
These and all lifters for Rover V8 applications must be fitted without filling the lifter with oil.
Excellent with all Hydrulic Cams Inc
Crower Comp - U - Pro :
Kent 180, 200,214,218 etc
Piper 270, 285,300
Comp Cams Typhoon, Hurricane, Efi
TVR 885 etc