v2.55PF/23º
2.55in² MIN
64 chamber
1.300 x 2.265 opening
5.40 port length
232cc runner
2.125 intake w/32º BC
4.155 fixture 
.200 152/113
.300 213/155
.400 263/189
.500 293/212
.600 315/230
.700 322/241
.800 328/248
.900 332/252
1.00 338/254

NOTES

I = -.020/REV341/SRH50
​E= -.120/REV341/SRH45
​(must blend exh chamber)

I = -.020/REV341/SRH50
​E= -.130/REV341/5046B50
​(must blend exh chamber)

I = -.020/MAN310/SRH50
​E= -.100/MAN310/5046B50
​

The ProFiler v2.55PF/23º is the perfect cylinder head for larger engines in the 421-434 range. This head will make 750-780hp depending on cubic inch. This head is in the middle of the VFactor v2.50 and VFactor v2.70. It can be sized to your exact combo. FULL LINE OF VFactor HEADS AVAILABLE!!

ProFiler v2.70PF/23º BARE $3800.00
​Fully CNC priority ProFiler casting, Custom SRH blended Multi-Angled Valve Job, MLS Surface finish, Guides Sized. Bagged and ready to be assembled.

Add $400 for intake sized to your combo
Add $225 for custom Stainless Intake Valves
Add $225 for custom Stainless Exhaust Valves
Add $375 for PAC 1225/1226 Springs
Add $285 for USA Titanium Retainers
Add $150 for locks, locators, seals.. REQUIRED for loaded heads.
Add $600 for CHE Beryllium Seats
Add $1150 for Titanium Intake Valves
Add $1400 for CrN Titanium Intake Valves
Add $1150 for Titanium Exhaust Valves
Add $500 for Inconel Exhaust Valves​