Single Hi-Rev Springs, Chromoly Retainers, & Sure-Grip Locks

Single Hi-Rev Springs, Chromoly Retainers, & Sure-Grip Locks

3 Angle Valve Job, 42 x 37mm S/S valves (also available in 40x35.5mm), chromoly retainers, hardened valve locks, dual super-rev valve springs, silicon bronze valve guides, nickel chromium alloy valve seats, and CNC Porting.

3 Angle Valve Job, 42 (or 44) x 37mm S/S valves, chromoly retainers, hardened valve locks, dual super-rev valve springs, silicon bronze valve guides, nickel chromium alloy valve seats, and CNC Porting.

Latest in the CBB 044 Range, flow close to the Ultra Wedge Port but have smaller 44x37.5 valves so ideal for street applications. Ideal choice for a high power 2276 street bug or bus, will support over 200hp PROVEN!!

This exact head won the VW Engine Builder Showdown contest with the highest Horse Power of 224hp @ 6500 RPM's on pump fuel (built by Pat Downs of CB Performance). 47x37 LS1 Valve Springs, titanium retainers

CB Performance CNC Ported Comp Eliminator's are being run on more Winning Race Cars than any other Cylinder Head in the Industry! If your looking at these then you know what they are!! all valve sizes avaliable, k800 spring upgrade an extra £50

CB Performance has gone where no other company has gone before! For the first time ever, you can buy a full on race head that flows OVER 300 CFM off the shelf! No more waiting 6 months to a year for a set of hand ported race heads and no more second mortgage to buy them!