BluePrint LS 427 cubic inch
carbureted "Retro Fit" engine
comes with everything you need
to install this powerhouse
into your ride. This beast is
built using new GM block and
heads, along with our forged
crank, rods and pistons, and
also includes a performance
hydraulic roller cam and
lifters, upgraded roller
rockers, universal fit oil
pan, single plane intake, 850
carb, sensors, coil packs and
wiring harness. Just add your
own water pump, front
accessory drive pulleys, and
module to fire the ignition
and you're set to
go!
- New GM LS3/L92
Aluminum Block
- Forged
Steel Crankshaft
- Forged Mahle Pistons
- Forged I beam rods
- Mahle performance
rings
- Balanced
Rotating Assembly
- Hydraulic roller cam
- .624" intake .624" exhaust
lift, 247° intake 263°
exhaust duration @ .050,
114° lobe sep.
- Premium single true
roller timing set
- GM
factory roller rockers with
upgraded full roller trunion
- New GM L92/LS3
Aluminium Cylinder Heads,
Chrome moly retainers and
spring locators, 2.165" intake
valves, 1.590" exhaust valves
- Hardened push rods
- 850cfm Carburettor
with mechanical secondaries,
dual accelerator pumps and
mechanical choke
- Single plane
aluminium intake
- Harmonic balancer
- Valve covers, retro
fit oil pan and timing cover
- Coil Packs and coil
pack harness
- Crank,
cam and MAP sensors
- Spark plug wires
& wiring harness
- Dyno tested &
shipped with results
- 625hp/550 ft-lbs
torque
- 11.0 to 1
Compression Ratio
- This engine requires
a non-weighted
flexplate/flywheel.
- Recommended Fuel: 91
Octane