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2008-2009 Pontiac G8 GT/GXP Mantic Clutch Ceremetallic Twin Disc Clutch
2008-2009 Pontiac G8 GT/GXP Mantic Clutch Ceremetallic Twin Disc Clutch
$2,445.00
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LS3/L92 PRC CNC Ported 6 Bolt 260cc Cylinder Heads
[199-PRCLS36B260]


$2,549.99
   Manufacturer:Texas Speed & Performance
   Description:All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology!

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 2.170" Intake, 1.60" Exhaust Valves
  • Billet Rocker Pedestals
  • .675" Spring Kit Standard
  • Completely Assembled and Milled to Your Specifications
  • 60-68cc Chambers
  • Available Milled Down To 65cc Chambers While Still Keeping Better Than Stock P/V!!

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 PRC aftermarket casting LS3 cylinder heads are available in 2 different configurations:

255cc Runners for max effort stock cube LS2/LS3/L99/L92 engines looking for a 370cfm cylinder head that can be aggressively milled & still keep better than stock p/v

260cc Runners For LS3/L99/L92 stroker engines needing a 380cfm+ cylinder head!

The 13-degree valve angle will allow for the ability to run more compression and larger camshafts thanks to additional piston-to-valve clearance!!

3.910" Flow plate No Exhaust Pipe

LIFT INTAKE FLOW EXHAUST FLOW
.200" 157 CFM 117 CFM
.300" 224 CFM 170 CFM
.400" 281 CFM 205 CFM
.500" 329 CFM 225 CFM
.600" 258 CFM 235 CFM
.650" 366 CFM 240 CFM
.700" 369 CFM 243 CFM

   Available Options: Spring Kit:
Intake Valves:
Chamber Size:
This product was added to our catalog on Tuesday 14 January, 2014.
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