
V12 LS Engine Builder Kit: US$29,300
- Machined iron block ready to assemble using regular LS parts
- 4.125" LS7 bore size
- Billet 3.622” stroke crankshaft
- LS7 style YellaTerra heads (bare)
- Custom grind camshaft
- Cometic MLS head gaskets
- Valve covers
- Stainless steel exhaust flanges
Upgrade options
- Alloy block in 4.065" LS3 bore size + $5,000
- Assembled heads inc. rockers + $2,500
- Low profile sheet metal intake and fuel rails + $1,200

Long Block pictured with optional high ram intake, throttle body and injectors
V12 LS Long Block US$44,500
- Over 700hp on pump gas
- 580 cubic inch (9.5L)
- Cast iron V12 LS block
- LS7 port YellaTerra alloy heads
- YellaTerra LS7 roller rockers
- Billet Crankshaft
- Pump gas friendly compression ratio
- JE forged pistons
- K1 rods
- ARP hardware
- ATI Damper
- GM swap oil pan
- Billet valley plate
- Cast valve covers
- Stainless steel exhaust flanges
Upgrade options
- 1,000HP V12 LS + $5,000
- Alloy block (564 ci / 9.2L) + $5,000
- Low profile sheet metal intake and fuel rails + $1,200
- High ram cast intake + $1600

Turn Key V12 LS: US$55,200
The ultimate crate motor!
- Based on our 580ci long block
- Over 700hp on pump gas
- Haltech elite engine management system
- Plug and play wiring loom
- ACDelco sensors
- Bosch fuel injectors
- Sheet metal intake with 102mm throttle body
- AN steam port kit
- MSD coils and wires
- Dyno tuned and ready to install
Upgrade options
- Boost friendly cam and compression ratio (Iron block only)
- 1,000HP specification + $5,000
- Alloy block (564 ci / 9.2L) + $5,000
You will need
- Custom headers
- Air filter
- Flywheel / flex plate
- Water pump and front accessories