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Vehicle Info NeededTOP STREET PERFORMANCEPART NUMBER: 743-JM4300
JM4300 Ford Small Block Aluminum Cylinder Head, Single
$49996
Ships on 09/21/2026
Lowest Price GuaranteeFord Small Block Aluminum Cylinder HeadSingle
Top Street Performance JM4300 Features:
If you're looking to rebuild your old Small Block Ford powerplant, you can't go wrong with a set of performance cylinder heads. TSP's heads are cast from premium aluminum for improved weight and heat management over the old iron. They are engineered and CNC-ported for maximum horsepower and torque. This bare assembly is a great starting point for a performance engine build. It's designed for maximum flow and performance in the hands of a skilled builder or machine shop. It features a thick deck to help resist warping and comes with threaded bolt holes on the ends for an easy install.Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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Part TypeCylinder Head
BrandTOP STREET PERFORMANCE
Package Height8.0
Package Width12.0
Package Length24.0
Weight24.0 PG
Vendor Part NumberJM4300
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
