All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology!
MADE IN THE USA!!
CAST IN THE USA!!
MACHINED IN THE USA!!
PRC's aftermarket casting LS3/L92/L99 cylinder heads come standard with the following options:
NEW PRC 13-Degree Valve Angle LS3 Castings
Improved Piston-to-Valve Clearance For Extra Compression & Larger Camshafts
Smaller Than Stock Intake Port Volume For Improved Port Velocity
Stainless Steel Hollow Stem 2.185" Intake Valves & Stainless Steel 1.60" Exhaust Valves
Integrated Rocker Pedestals
TSP .660 Spring Kit w/ PAC Valve Springs & Titanium Retainers
CHE Bronze Guides
Completely Assembled in the USA
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!
The all new PRC aftermarket casting LS3 heads are the perfect option for customers looking for the ultimate in LS3/L99/L92 cylinder head technology
The 13-degree valve angle will allow for the ability to run more compression and larger camshafts thanks to additional piston-to-valve clearance!!
.650" 372 cfm 240 cfm
.700" 380 cfm 243 cfm