- Home
- Featured Items
- PRC LS3 Aftermarket 6-Bolt 255cc CNC Cylinder Heads
Description:
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 2.170" Intake, 1.60" Exhaust Valves
- Billet Rocker Pedestals
- TSP .660" Dual Spring Kit w/ PAC Valve Springs, Titanium Retainers, Seats, & Seals
- Completely Assembled and Milled to Your Specifications
- 60-68cc Chambers
- CHE Bronze Guides
- 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!!
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" |
358 cfm |
235 cfm |
.650" | 366 cfm | 240 cfm |
.700" | 369 cfm | 243 cfm |
Other fine products
Collections
- 04-06 PONTIAC GTO LSA Supercharger Kits
- 14-17 Chevy SS Sedan Suspension
- 1998-02 FBODY LSA Supercharger Kit
- 2004-07 CADILLAC CTSV LSA Supercharger Kits
- 2006-2009 Trailblazer SS LSA Supercharger Kits
- 2009-09 Pontiac G8 LSA Supercharger kits
- 2009-15 Cadillac CTS-V CAI
- 2010-15 Camaro SS Supercharger kits
- 2014-17 Chevrolet SS LSA Supercharger Kits
- 2020+ C8 Corvette Cold Air intakes
- 99-2014 GM Truck LSA Conversion KITS
- Apparel and Merch
- Auxiliary Fuel Pumps
- C5/C6 CORVETTE LSA SUPERCHARGER KITS
- C8 2020+ Corvette Brake Parts/Packages
- C8 2020+Corvette DriveTrain
- C8 2020+Corvette Exhaust
- C8 Corvette Aero/Exterior Packages
- C8 Corvette Forced Induction kits
- C8 Corvette Maintenance Packages/Parts
- C8 Corvette Suspenion and Lowering packages
- C8 Corvette Wheels 2020+
- CAMSHAFT KITS
- Chevrolet Performance Connect and Cruise Engine+Trans Packages
- Clutch Kits
- CTS-V Gen 2 Pulley kits
- CTS-V Gen 2 Exhaust
- Exhaust
- Fbody Intake
- Featured Items
- Flex Fuel Kits
- G8 Exhaust
- GAUGES
- GM Performance Accessory Belt Drive Systems
- GTO Drivetrain
- GTO Engine Cooling
- GTO Exhaust
- GTO Intakes
- GTO Suspension
- Home page
- INJECTORS
- Long Blocks
- Lower Pullies
- LS Camshafts
- LS Engine Heads
- LS/LT Lifters
- LSA 2650 Full Supercharger Kits
- LSA Supercharger Parts
- LSA Swap Belt Drive Parts
- LSA/LS9 TVS Supercharger Rebuild Kits
- LSx HEAD FASTENERS
- Misc Fueling Parts
- OEM GM Gen V LT Parts
- Popular Picks
- Rocker Arm/Trunnion Kits
- SS Fuel parts
- Supercharger Cooling
- Transmissions
- TUNING SOFTWARE
- Universal Fuel Pumps
- Upper Pullies
Product Types
- Unknown Type
- 5thGen Camaro Exhaust
- AdMerchandise
- C8 Brakes
- c8 DriveTrain
- C8 Exhaust
- C8 Forced Induction
- C8 Intake
- c8 Maintenance
- C8 Suspension
- c8 wheels
- c8Exterior
- CAM KITS
- Camaro Supercharger
- camshaftonlyPD
- Chevrolet SS
- Clutch
- connect/cruise
- COOLING
- CORVETTE KITS
- CTS-V KITS
- CTS-V2Intake
- fbody kits
- FlexFuel
- Fuel Filter
- FUEL PUMP
- Fuel Regulator
- G8 KITS
- g8exhaust
- GAUGES
- gen2vexhaust
- GMBeltDrives
- GTO Exhaust
- GTO Kits
- gtobrakes
- GTOCooling
- GTODrivetrain
- GTOIntake
- GTOSuspension
- Head Fasteners
- heads
- Injector
- Injector Rails
- Intake
- Intake Catch Can
- Long Block
- Lower Pulley
- LSABeltDrive
- OEM GenV
- Rocker Arms
- SCRebuildKits
- SS Sedan Exhaust
- Supercharger
- tbss kits
- Transmission
- TRUCK KITS
- Tuning
- Tvs2650
- UNIVERSAL FUEL PUMP
- Upper Pulley