$8,599
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The 383/440 LT1 is an excellent performing engine package designed for the LT1 Camaro and Firebird that won’t break the bank.
Peak Horsepower: 440bhp @ 6300rpm
Peak Torque: 460lb/ft @ 4000rpm
Compression Ratio: 11.5:1
Operating Range: 1800 – 6300rpm
Required Fuel: 91+ Octane Pump Gasoline
Block:
- GM LT1 Cast Iron Block
- Decked 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 AntiFriction Coating
Bearings:
- Clevite 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 9000 Series Cast Steel
- 3.750” stroke
- Internally Balanced Front and Rear
Rods:
- Scat 4340 Forged I-Beam
- 6.000” length
- ARP Rod Bolts
Rings:
- Mahle Plasma rings
Camshaft:
- Comp Cams Hydraulic Roller
Timing Sets:
- Cloyes Billet Extreme Duty Roller Timing Set
Oil Delivery:
- Melling Select Performance
- Melling Pick Up Tube Tig Welded
- Melling HD Drive
CYLINDER HEAD SPECIFICATIONS
Type:
- GM Aluminum LT1 Castings
- Three Angle Performance Valve Job
- CNC Porting
Intake Valves:
- Manley Stainless Steel 2.00″
Exhaust Valves:
- Manley Stainless Steel 1.56”
Pushrods:
- Smith Brothers 5/16 .083” Wall Hardened
Combustion Chamber:
- 50cc Combustion Chambers
Spring Package:
- BTR Double Valve Springs
- BTR Hardened Retainers and Locks
Head Bolts:
- ARP Performance
Rocker Arms:
- Comp Cams Ultra Pro Magnum 1.6 ratio
- ARP 7/16 Rocker Studs
Additional information
Weight | 500 lbs |
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Dimensions | 38 × 26 × 36 in |