Turn-Key Convenience!
19201330—Save yourself time and money with GMPP’s
ZZ4 Turn-Key kit. You get the ZZ4 crate engine (p/n 24502609), plus all the parts necessary to get it running.
The Turn-Key kit comes with accessory drive package
P/N 12497698, fuel pump P/N 06415325, chrome air
cleaner kit P/N 12342079, Holley 750-cfm carburetor
P/N 12485506, starter P/N 10465143 and spark plug wire kit
P/N 12361057. (Turn-Key parts included with crate engine,
but not installed.)

• Horsepower .................... 355 @ 5250 RPM
• Torque .......................... 405 @ 3500 RPM
• Max. Recommended RPM .... 5800
• Compression Ratio ............. 10:1
• Block ............................ 10105123 Four bolt main, cast iron
• Crankshaft ...................... 12556307 Forged steel
• Connecting Rods ............... 10108688 PM rods
• Pistons .......................... 10159436 High silicon aluminum with offset pins
• Piston Rings .................... 12528817
• Camshaft ....................... 10185071 Hydraulic roller Lift .474" I, .510" E. Duration @ .050: .208 o I, .221 o E.
• Intake Manifold ................. 10185063 Aluminum dual plane
• Distributor ...................... 1104067 HEI
• Cylinder Heads ................. 12556463 Aluminum 58cc combustion chambers
• Intake Valves ................... 10168465 1.94"
• Exhaust Valves ................. 10168514 1.50"
• Valve Springs ................... 12551483 LT4 chrome silicon
• Rocker Arms .................... 10089648 1.5 ratio
• Valve Lash ...................... Zero
• Spark Plugs ..................... FR5LS Gap .035 Rapid Fire #5 Gap .045
• Fuel ............................. 92 Octane
• Ignition Timing ................. 10 o BTDC @ 800 RPM 32 o total @ 4000 RPM with vacuum advance disconnected