396ci 550hp LT1 Long Block Engine

396ci 550hp LT1 Long Block Engine

$9,999

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The 396ci Long Block is the King of the Street when it comes to NA LT1 Engines. This engine will keep up with most LS engines that you meet on the street and it is still a simple direct bolt in for your LT1 based car.

Peak Horsepower:  550bhp @ 6500rpm
Peak Torque: 500lb/ft @ 4000rpm
Compression Ratio: 11.5:1
Operating Range: 2300 – 6500rpm
Required Fuel: 91+ Octane Pump Gasoline

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Block:

  • GM LT1 Cast Iron Block
  • Deck to Match Pistons
  • Bored 4.030”
  • Honed with Torque Plates and Pressure Washed
  • New Durabond Cam Bearings Installed
  • 4-Bolt Main Caps Installed, Line Bore and Hone
  • ARP Main Studs

Pistons:

  • Mahle Forged pistons with Anti Friction Coating

Bearings:

  • Clevite H-Series Main and Rod Bearings

Lifters:

  • Comp Cams Hydraulic Roller

Covers:

  • GM Factory Oil Pan
  • GM Factory LT1 Timing Cover

Gaskets:

  • Fel Pro Head Gaskets .040”
  • Fel Pro Performance Oil Pan, Timing Cover Gaskets

Crank:

  • Scat 4340 Forged Steel
  • 3.875” stroke
  • External Balance

Rods:

  • Scat 4340 Forged I-Beam
  • 6.000” length
  • ARP Rod Bolts

Rings:

  • Mahle Plasma rings

Camshaft:

  • Comp Cams Hydraulic Roller

Timing Sets:

  • Cloyes Extreme Duty Roller Timing Set

Oil Delivery:

  •        Melling Select Performance
  •        Melling Pick Up Tube Tig Welded
  •        Melling HD Drive

CYLINDER HEAD SPECIFICATIONS

Type:

  • New AFR 195cc CNC Ported Eliminator

Intake Valves:

  • Stainless Steel 2.05”

Exhaust Valves:

  • Stainless Steel 1.6”

Pushrods:

  • Smith Brothers 5/16 .083” Wall Hardened

Combustion Chamber:

  • 65cc Combustion Chambers

Spring Package:

  • Double Valve Springs
  • Titanium Retainers and Hardened Locks

Head Bolts:

  • ARP Performance

Rocker Arms:

  • Comp Cams Ultra Pro Magnum 1.6 ratio, 7/16 ARP Rocker Studs