Speedmaster®
Chevy SBC 350 to 427 CID Forged Short Block Assembled Engine Motor 1000+ HP
Product Information
Overview
Speedmaster small block 427 c.i.d. short block engines are the solution to a hassle-free power build! These combinations start with a reliable Speedmaster 9.25 in. block for added strength.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE284.1014 |
| Part Type: | Crate Engine |
| Rear Main Style: | 2pc. RMS |
| Crankshaft Material: | Forged 4340 |
| Piston Material: | 2060 Aluminum |
| Block Piston Style: | -16c. Dish, with two valve reliefs |
| Connecting Rod Material: | 4340 Steel |
| Connecting Rod Beam Style: | Racing H-Beam |
| Engine Block Material: | Cast Iron |
| Main Bolt Style: | 4 Bolt |
| Main Journal Type: | 400 Mains |
| Deck Height: | 9.025" |
| Engine Balance: | Internal |
| Oil Pan Included: | No |
| Harmonic Balancer Included: | No |
| Flexplate Included: | No |
| Assembled: | Yes |
| Main Bearings Included: | Yes |
| Rod Bearings Included: | Yes |
| Bearings Brand: | King Race Engine Bearings. |
| Notes: | Machined, Balanced and Assembled in our USA Machine Shop. Each assembly will include a balance card with specifics on the balance job. |
Description
Built by our proffesional engine builders in the USA, these 427 c.i.d. short blocks are then packed with forged 4340 steel crankshafts and race I-beam connecting rods, forged dish pistons with full floating pins, and coated cam bearings for added durability from King Engine Bearings.
There are so many ways to create horsepower, but with our dyno-tested short block assemblies, components are properly matched for big performance, saving you the headaches.
Speedmaster small block 427 c.i.d. short block engines offer horsepower that's reliable and affordable.
Features include:
* Fully USA Machined Speedmaster Block
* 4-Bolt Main Engine Block and Brass Freeze Plugs
* 4340 Steel Crankshaft
* Forged Pistons ( Dished -16cc )
* Forged "H" Beam Connecting Rods
* Zero Gap Moly Piston Rings
* Race King Brand Engine Bearings Only.
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.