Speedmaster®
SKU:1-290-004
Chevy SBC 350 3.750" 383 ci 2Pc-Seal Rotating Assembly Kit - SuperStreet [+030]
Chevy SBC 350 3.750" 383 ci 2Pc-Seal Rotating Assembly Kit - SuperStreet [+030]
Regular price
$1,365.00 USD
Regular price
Sale price
$1,365.00 USD
Out of stock
Quantity
Couldn't load pickup availability
- Item Condition: Brand New
- Ships within 5 days
- 12-Month Limited Worldwide Warranty
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![Chevy SBC 350 3.750" 383 ci 2Pc-Seal Rotating Assembly Kit - SuperStreet [+030]](http://www.wrenchit.com/cdn/shop/files/1-290-sbc_B-2.jpg?v=1756371171&width=1445)
Information
Specifications
| Brand: | Speedmaster |
| Part Number: | 1-290-004 |
| Part Type: | Engine Rotating Kit |
| Actual Engine CID: | 383 |
| Bore (in): | 4.030 in. |
| Engine Stroke (in): | 3.750 in. |
| Balanced: | No |
| Pistons Included: | Yes |
| Piston Rings Included: | Yes |
| Piston and Ring Oversize (in): | 0.030 in. |
| Piston Material: | Hypereutectic aluminum |
| Piston Style: | Flat top, with two valve reliefs |
| Piston Head Volume (cc): | -4.00cc |
| Wrist Pin Style: | Floating |
| Piston Ring Facing Material: | Plasma-moly |
| Crankshaft Included: | Yes |
| Crankshaft Material: | Cast steel |
| Rear Main Seal Style: | 2-piece |
| Engine Balance: | External |
| Connecting Rods Included: | Yes |
| Connecting Rod Material: | Forged 4340 steel |
| Connecting Rod Beam Style: | H-beam |
| Connecting Rod Length Center to Center (in): | 5.700 in. |
| Rod Bearings Included: | Yes |
| Rod Bearing Undersize (in): | Stock |
| Main Bearings Included: | Yes |
| Main Bearing Undersize (in): | Stock |
| Cam Bearings Included: | No |
| Gaskets Included: | Yes |
| Oil Pump Included: | No |
| Camshaft Included: | No |
| Lifters Included: | No |
| Timing Chain and Gears Included: | No |
| Plastigage Included: | No |
| Assembly Lubricant Included: | No |
| Quantity: | Sold as a kit. |
Speedmaster superstreet series rotating assemblies offer the perfect balance of strength, performance, reliability. They include a Speedmaster cast steel crankshaft, Speedmaster H-beam 4340 connecting rods with ARP bolts, Speedmaster hypereutectic pistons, Speedmaster rings and 'King Bearings' Main & Connecting Rod Bearings. Speedmaster superstreet series rotating assemblies are the perfect choice for engines up to 500 hp and 1500-6500 RPM.