Drop some performance into your Street Rod, Muscle Car or Truck with these genuine GM Performance engines! All GM Performance engines include a 24 Month 50,000 mile warranty. These best-selling crate engines are now offered in a new Deluxe package that includes an intake manifold, chrome valve covers, chrome air cleaner, chrome timing chain cover, chrome breather cap, along with the necessary hardware , gaskets and installation instructions. The manifold is a high-flow aluminum intake, along with the gaskets and installation hardware. The chrome dress-up parts add a bright, finishing touch to the 350/290 HP.
Note: GMPP utilized a Holley 670-cfm carburetor (not included and must be purchased separately, please see suggested carbs below for consideration) to achieve the rated power levels of 290 horsepower at 5,250 rpm and 332 lb.-ft. of torque at 3,750 rpm.
It features four-bolt mains for strength and it’s filled with premium parts, including a smooth hydraulic camshaft and durable aluminum pistons that deliver an 8.5:1 compression ratio—making it a great, time-saving alternative to rebuilding a tired, two-bolt-main core engine.
- Four-bolt block
- Nodular iron crankshaft, good rods, and aluminum pistons
- 290 horsepower
- Provisions for both RH and LH oil dipsticks
- Contain a 2-piece rear main seal
- 24 Month 50,000 mile warranty
- Intake lift - .450" intake duration @ .050" 222
- Exhaust lift - .460" exhaust duration @ .050" 222
- Lobe centerline - 114