3.7 OEM Sleeved Mustang V6 Block to 3.9 Liter (97.5mm) Ductile Flange StyleRegular price $4,999.00 Sale price $3,075.00 Save $1,924.00
We are now offering larger aftermarket Ductile Sleeves for the 3.7 Mustang V6. The larger sleeves adds .2 liters more making the 3.7 a new 3.9 liter. The block uses the replacement head gasket Felpro. The OEM grey cast sleeves are straight cylinders walls from top to the bottom. The OEM sleeves are thin and arre prone to crack under high horsepower levels.
The OEM sleeves are surrounded by aluminum at the deck which give little support to the sleeves. The new aftermarket sleeves have a large flange top that interlocks to the adjacent sleeve. The aftermarket sleeve is also thicker and made of ductile steel.
The Sleeved Block Includes final boring and honing to the 3.838" with proper hatch marks done by Sunell CNC machine. The block also is redecked and honed using a large 3" inch Billet torque plate. The block is a reconditioned block that is inspected and machined to proper specs.
We can send in your block after inspection to make sure we have a short block to install the larger sleeves.
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