JPC Racing 4V 5.0 Coyote JPC/RGR Heads Stage I

JPC Racing 4V 5.0 Coyote JPC/RGR Heads Stage I ($1800 Core Charge)

THESE HEADS ARE ON AN EXCHANGE PROGRAM. YOUR HEADS ARE REQUIRED

Valve Job is done on a CNC Newen Single Point Machine

Fully assembled w/o camshafts

RGR Custom Competition Valve Job

Includes New Bronze Valve Guides also removal,installation & sizing of bronze guides

Ford valve seals, locks, retainers & springs

Custom Machining of Intake and Exhaust Valves

All numbers from a super-flow 600 @28 in on a 3.630 stock bore. Exhaust flow with a 1 3/4 inch pipe and standard comp. valve job more flow to come w/valve job testing.

stock heads

Lift intake ex

.100 49.4 32.1

.200 180.2 147.8

.300 243.5 180

.400 280.0 189.7

.500 289.4 201.4

.600 298.4 207.7

RGR Ported

.100 52.3 35.0

.200 193.3 155.4

.300 262.8 197.5

.400 298.6 208.3

.500 318.4 220.7

.600 332.6 227.7

Stage 2 & 3 coming soon and will offer upgraded springs and aftermarket oversize valves *port will remain the same

*Core Charge will be refunded once JPC receives original heads back in verified working condition.