400" LSR NA 700HP+
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$28,650.00Road 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 |