SP350/357 TURN-KEY TECH SPECS:

• Engine Type: Chevy Small-Block V-8
• Displacement: 350ci
• Bore x Stroke: 4.000' x 3.480'
• Block: Cast-iron with four-bolt main caps
• Crankshaft: Nodular iron, 1-piece rear main seal
• Connecting Rods: Powdered metal
• Pistons: Cast aluminum
• Camshaft Type: Hydraulic roller
• Camshaft Lift: .473" intake / .473" exhaust
• Camshaft Duration (@.050 in.): 215° intake / 223° exhaust
• Cylinder Heads: Vortec cast iron, 64cc combustion chambers
• Valve Size: 1.940' intake / 1.500' exhaust
• Compression Ratio: 9.0:1
• Rocker Arms: Stamped steel
• Rocker Arm Ratio: 1.5:1
• Intake Manifold: Dual plane
• Carburetor: Holley 670-cfm 4-barrel
• Distributor: HEI
• Recommended Fuel: Premium pump
• Ignition Timing: 32° Total @ 4000 rpm
• Maximum Recommended RPM: 5600
• Balanced: External
• Flexplate: 12.750"

INSTALLATION NOTES:

• Holley 670-cfm four-barrel carburetor, starter, fuel pump air conditioning pump, alternator, front-end accessory drive kit, included but not installed on engine
• Comes with a 12.750 in. externally balanced 153-tooth automatic transmission flexplate.
• Requires fuel supply line from the fuel pump to carburetor
• Not intended for marine application

19433034K supersedes 19420872K, 19419993K

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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