Turn your LT1 into a Fire-Breathing LT4
Our LT1 to LT4 conversion will bring the most out of your factory LT1 engine. Complete conversion includes LT4 cylinder heads w/valves and springs, a beautiful red aluminum Edelbrock LT4 intake manifold, GM Performance Parts HOT cam kit which includes 1.6:1 ratio Bow Tie roller rockers and all the necessary gaskets to complete the job. We also offer the correct Edelbrock/BBK throttle body assembly to bring the most out of this conversion (sold separately). This kit is a proven 425+ horsepower! additional parts may be needed depending upon application. Alterations to your vehicle's computer engine management system is a must to run correctly.
2- 12363287 Complete LT4 cylinder heads
1- ED7109 Performer RPM Air Gap intake manifold
1- 12480002 GM LT4 hot cam kit, Includes Hot cam, 1.6:1 roller rockers, valve springs, retainers, valve spring shims
Complete set of GM gaskets and seals needed for installation
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