Ford Racing Performance Parts has recently released their new 4.6 Liter Aluminator short block. The new short block contains the stock, 9.8:1 compression ratio, making it available as a direct replacement for stock 3-valve 2005-2010 Mustang engines.

Official Release:

Part Name: 4.6 Liter Aluminator Short Bock; 9.8:1 Compression Ratio

Part Number: M-6009-A463V

Part Description: Ford Racing’s new 4.6-liter Aluminator short block addresses the late model Mustang enthusiasts need for stock compression ratio and forged components. By maintaining the stock 9.8:1 compression ratio, the M-6009-A463V short block can be used as a direct replacement for the factory 3-valve short block without any calibration changes.
For supercharged engine builds, the short block is a great foundation when combined with a Ford Racing 400 – 550 horsepower supercharger kit.

Specifications:

• Fits 2005-2010 Mustang GT
• Forged steel 8-bolt crankshaft
• Forged steel Manley H-beam connecting rods
• Forged aluminum Mahle 7cc dish 3-valve pistons (same as production 4.6 L 3-valve pistons)
• Approximately 9.8:1 compression ratio when used with 50.3cc 3 valve heads
• New oil pump
• Uses M-6010-A46NA block without knock sensors
• Built with all NEW PARTS
• 8-bolt flywheel or flex plate required (not included)