Pair Genuine GM LS3 Cylinder Heads with BTR SK001 660 lift dual valve springs
Brand new complete, Fitted with BTR .660 lift dual valve springs. Steel retainers.
These will come in original GM boxes BRAND NEW!
Maintain your piston to valve clearance by using brand new
Aluminum performance head
- Fits any LS family engine with 4.00" bore or larger
- 2.165" hollow stem intake, and 1.59" solid stem exhaust valves
- .550" max valve lift
- As-cast L92 style 260cc intake ports
- D-shaped exhaust ports
- As-cast combustion chambers
Head 12615879 is assembled with the following components:
- 12569427 Sodium Filled Intake Valves
- 10166344 Valve Spring Retainers
- 12582719 Exhaust Valves
- 12482063 Intake Valve Stem Seals
- 12625033 Valve Springs
- 12482062 Exhaust Valve Stem Seals
- 10166345 Valve Locks
- Here at Malex Motorsports all of our items are in stock in our Sydney based store, ready to ship or pick up.
- NOW IN SMEATON GRANGE!