Chrysler Small Block Compatible 408 c.i. Engine - 375 Horsepower - Long Block
Chrysler Small Block Compatible 408 c.i. Engine - 375 Horsepower - Long Block is backordered and will ship as soon as it is back in stock.
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Chrysler Small Block Compatible 408 c.i. Engine - 375 Horsepower - Long Block is backordered and will ship as soon as it is back in stock.
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Description
Description
Overview:
This long block engine delivers a solid 375 horsepower and 460 ft-lbs. of torque with a reliable 9.8:1 compression ratio, making it a strong foundation for street performance or muscle car builds. It features durable Magnum cast iron heads, a classic flat tappet cam, and a cast crankshaft paired with forged pistons for added strength and longevity. Included components like the valve covers, oil pan, and timing cover make this a ready-to-build long block that offers the perfect balance of old-school muscle and dependable power. This engine comes with Magnum heads so it will require a Magnum Intake Manifold (BPP7577).
Description:
- Horsepower & Torque: 375 Horsepower / 460 FT. LBS. Torque
- Compression Ratio: 9.8:1
- Cast Iron Heads
- Flat Tappet Cam
- Cast Crankshaft
- Forged Pistons
Block:
- Hand-Picked Seasoned Block
- Square and Parallel Decked
- Align Honed Main Bearing Bore
- Cylinders Honed on Computer Controlled Machine to Within .0002 Straightness and Roundness
- Cylinders are Sonic Tested for Thickness
- 2-Bolt Main
- 4.040" Bore
- 2-Piece Rear Main Seal
- Mech Fuel Pump Provision: Yes
Rotating Assembly:
- Cast Crankshaft
- 4.000" Stroke
- Forged Magnum 6.123" Connecting Rods w/ 150,000 PSI Bolts
- Forged Pistons
- Externally Balanced Front and Rear
Cylinder Heads:
- NEW Magnum Cast Iron Heads
- Hardened Retainers and Springs
- 1.92" Swirl Polished Intake Valves
- 1.625" Swirl Polished Exhaust Valves
- Hardened Push Rods
Cam Specs:
- Cam Type: Flat Tappet
- .474 Intake / .474 Exhaust Lift
- 233 Intake / 240 Exhaust Duration
- @.050-110 Degree Lobe Separation
Ignition Timing:
- 34 Degrees at 3500 RPM
Also Includes:
- Valve Covers
- Oil Pan
- Timing Cover
Notes:
- This engine features Magnum heads. Will require Magnum intake manifold such as BPP7577
- Not for use in pollution-controlled vehicles
- If installing with a Manual Transmission with .750" input shaft, Recommended Pilot bearing is PN FC-69907.
- Recommended Pilot OD is 1.81"
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