PRC LS3 6-Bolt 260cc CNC Cylinder Heads, LS3/L99/LSA ApplicationsPRC LS3 6 Bolt 260cc CNC Cylinder Heads, LS3 L99 LSA Applications All PRC cylinder heads are extensively researched and tested. The all new PRC aftermarket casting LS3 cylinder heads are designed to flow considerably more than a gm ported casting while keeping the port sizes smaller for improved port velocity. The result is a cylinder head that is smaller than a stock GM LS3 port and moves more air than any other ls3 cylinder heads! PRC's aftermarket

Utilizes Factory Mounting Locations for a Fast and Easy Installation (Roughly 15 Minutes)

Note: CTS-V and ZL1 intercoolers are different

These systems are paired with a washable

this unit installs with basic tools

Billet 12mm Torque Tube Bushings (also known as a driveshaft coupler) are a must for anyone looking to reduce drivetrain loss

75 in Axle-Back 4

PRO-SYSTEM-PLUS

PRC Aftermarket LT4 CNC Cylinder Heads

MSD LS1 AIRFORCE FASTENER KIT

40-80rwhp proven gains

CNC machined

- GM Slave Cylinder