400" LSR NA 700HP+

Available Qty: 0

$28,650.00

Road race, autocross, drift, off-road racing, street/strip car, LS swap? Any of the above? We have the NA combo for you! The LSR is a light engine to make good reliable horsepower. With 12.1:1 compression, BR7's and any Intake you want, this combo has all the airflow with plenty of power! This combo makes 700HP and 600 TRQ! It is proven and will make whatever vehicle you're putting it in have some serious pep in its step. What are you waiting for!

 

 

*****VALVE COVERS and INTAKE NOT INCLUDED IN PRICE!

Displacement: 400" Bore: 4.125”
Power Output (HP): 700+HP Stroke: 3.750”
Compression Ratio: 12.1:1  Camshaft Type: Comp Cams
Max RPM: 8000 Oil System Type: Wet or Dry Sump
Port Configuration: LS7 Fuel Type: Q16-E85
       

Block: GM LSX 6-Bolt Race Timing Chain: N-Motion Double Roller 
Crankshaft: Callies Magnum 8 Counterweight w/ LME Blueprint Process Lifters: Johnson Tie-Bar
Connecting Rods: Callies Ultra H-Beam w/ ARP Ultra 7/16" Bolts Push Rods: MANLEY 3/8" 
Pistons:

LME/DIAMOND 4.130"x4.0cc

Rocker Arms:

Comp Cams Shaft Rocker

Wrist Pins: Tool Steel Heavy Duty .200" Wall  Cyl. Head Fasteners: ARP 2000 12pt. Studs
Ring Pack: NPR Stainless Top (for high heat applications) Napier Second, 3mm Oil Head Gaskets: Cometic MLX 6-Bolt 
Bearings: Clevite H-Series Main & Rod, Dura Bond One Piece Cam Bearing Oil Pump: Daily 3 STAGE BILLET
Main Fasteners: ARP Studs Timing Cover: GM LS2 Front  
Cylinder Heads:

LME BR7's, Ported and Prepared

400+cfm Intake / 270+cfm Exhaust

Valley Cover: GM LS2
Valves: 

LME 2.20" LS7 Intake

Stainless Exhaust

Oil Pan: Select From Options
Valve Springs: BTR 660 Rear Cover: GM LSR
Camshaft: LME/Comp Cams Balancer: A.T.I. SFI w/ARP Bolt