Brian Tooley Racing BTR-CVH3C-6U Bare CNC Ported Canted Valve LS3 Cylinder Head for GM Gen IV LS Rectangle PortWhat happens when you combine two lifetimes of cylinder head research and development? The BTR CV cylinder head for LS! When you have a cylinder head casting legend like Rick Smith on board (Father of the Hi Port, A460, Twisted Wedge and more!) and decades of Brian Tooley's porting & cylinder head flow bench experience, you end up with serious game changing performance! Theres no other low cost premium cast all American canted valve LS cylinder head

Good low end and mid-range

stable and high revving valve train assembly

Inverted top design increases filter surface area for longer service intervals

The XLPE material is heat soak resistant and extremely durable

Air Lift has released its LoadLifter 5000 kit to protect and support these pickups in their daily use

290 Bore -18

With your battery disconnected

592 in Bore - 1

Sold in complete sets of 16

Drivability: Good drivability with a decent chop at idle

Billet Steel Oil Pump Drive Sprocket

Int Exh: 284 310