Description:

PRC 260cc ls3 heads from texas speed, 68cc chambers, Planned on using these on a build, but going a different direction, these have low miles on them. Come just the way the do from texas speed. $1800US shipped and insured in the lower 48 or Canada
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
• Manley Stainless 2.185" Intake, 1.60" Exhaust Valves
• Billet Rocker Pedestals
• TSP .660" Dual Spring Kit w/ PAC Valve Springs, Titanium Retainers, Seats, & Seals
• CHE Bronze Guides
• Completely Assembled and Milled to Your Specifications
• 60-68cc Chambers

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! Lift
Intake Flow
Exhaust Flow
.200"
157 cfm
117 cfm
.300"
224 cfm
170 cfm
.400"
279 cfm
205 cfm
.500"
329 cfm
225 cfm
.600"
360 cfm
235 cfm
.650" 372 cfm 240 cfm .700" 380 cfm 243 cfm