Blueprint Pro Series GM LS 427ci 625 HP

Engines & Components
Engine - Assembled / Ready-to-Run
Blueprint Pro Series GM LS 427ci 625HP

GM LS Performance with Chevy Big Block Power

Blueprint Pro Series Engines are dyno tested (dyno sheet included) and have a 30-Month/50,000-Mile Warranty. Your Blueprint Engine was tested with the components and specifications listed below. If you prefer to install different part(s), your engine may not produce the horsepower recorded on your dyno sheet.

Blueprint Pro Series GM LS 427ci 625HP

GM LS Performance with Chevy Big Block Power

Retrofit Engines

Blueprint Engines GM LS 427ci Dress Retrofit Engine w/Cast Iron Block [Carbureted]

Blueprint Engines GM LS 427ci Dress Retrofit Engine w/Cast Iron Block [Carbureted]

Blueprint Engines GM LS 427ci Dress Retrofit Engine w/Cast Iron Block Kit

Blueprint Engines GM LS 427ci Dress Retrofit Engine w/Cast Iron Block Kit

Blueprint Engines GM LS 427ci Dress Retrofit FI Engine, Fuel Injected

Blueprint Engines GM LS 427ci Dress Retrofit FI Engine, Fuel Injected

Blueprint Engines GM LS 427 ci EFI Retrofit Dress Crate Engine w/Accessory Drive [530 HP, 495 FT.-LBS]

Blueprint Engines GM LS 427 ci EFI Retrofit Dress Crate Engine w/Accessory Drive [530 HP, 495 FT.-LBS]

Blueprint Engines GM LS 427 ci EFI Retrofit Dress Crate Engine w/Accessory Drive [530 HP, 495 FT.-LBS]

Blueprint Engines GM LS 427 ci EFI Retrofit Dress Crate Engine w/Accessory Drive [530 HP, 495 FT.-LBS]

Upgrade Engine

Blueprint Engines GM LS 427ci Base Upgrade FI Engine, for '98-'10 Gen 3 & 4 Engines

Blueprint Engines GM LS 427ci Base Upgrade FI Engine, for '98-'10 Gen 3 & 4 Engines