Pro Filer Sniper 174X 375cc Cylinder Heads

Pro Filer Sniper 174X 375cc Cylinder Heads


Pro Filer Sniper 174Xcc runner is a very efficient cylinder head for any type of racing. Fully CNC ported with a 2.350″ intake and 1.850″ exhaust stainless Steel valves are standard in our assemblies. Our heads use Manley Stainless Steel Valves with Manley or Pac Springs, 10° locks and titanium retainers. These are as good as it gets for a 375cc 24° cylinder head. I will match or beat any ones pricing



  • Fully CNC Ported 275cc Aluminum Heads
  • Pro Filer uses a 50° Valve Job
  • Intake Ports with a 2.375″ Intake Vale Flow 460+cfm @ .800″ Lift
  • Exhaust Ports with a 1.85″ Exhaust Valve Flow 325+cfm @ .800″ Lift
  • Power Metal Valve Seats
  • Bronze Alloy Fully Machined Valve Guides
  • Utilizes BBC Intake Manifolds
  • Uses Standard BBC Header Pattern
  • Uses Jesel or T&D Shaft Rocker System for Best Performance
  • All Stock Hardware Bolts Directly to the Cylinder Heads
  • Increased Deck Thickness to Support Power Adders
  • Uses 5 Extra Long Head Bolts Over the Exhaust
  • Full CNC Ported Intake and Exhaust
  • Fully CNC Ported 119cc Combustion Chambers
  • Titanium Intake and Exhaust Valves Available
  • All Valve Seats Lapped to Insure Perfect Available
  • Pac or Manley Triple Valve Springs Available
  • Titanium or Tool Steel Degree Retainers Available
  • Machined Supers Locks Available
  • U.S. PC Valve Stem Seals Available
  • Manley or Pac Hardened Spring Seats Available
  • Shaft Rockers Available
  • Hot Washed, Lubed, Final Spring Specifications Set with Head Package
  • Professionally Checked and Assembled Available

Available Upgrades

Titanium 2.350″ Intake Valves and Copper Alloy Valve Seats
+ $795.00
Titanium 1.850 Exhaust Valves and Copper Ally Valve Seats
+ $795.00
Manley or Pac Tripple Valve Springs, Titanium Retainers, Locks, Valve Spring Seats, Valve Guide Seals Completely Assembled for 1.0″ Camshaft
+ $895.00
ARP Series 12 Point Head Stud Kit
+ $295.00
T&D any Ratio Pro Series Shaft Rocker System
+ $1695.00
Jesel any Ratio Pro Series Shaft Rocker System
+ $1795.00
Fel Pro MLS Head Gaskets (up to 4.640 bore size and .051″ thickness, other sizes available)
+ $190.00
JE or Wiseco Pro Series Pistons and .043/.043/3.0mm Stainless Steel, TNT or Hell Fire Ring Set
+ $1095.00
Solid Head Castings for Severe Duty Power Adder Combinations
+ $350.00
ProFiler Sniper 1×4 CNC Match Ported Intake Manifold $595; ProFiler Sniper 2×4 CNC Match Ported Tunnel Ram Intake Manifold
+ $995.00
CFE Sheet Metal Intake Manifold with a Single Top or 2×4 4500 Series Top, This is the best intake manifold to make 1100+Hp Raw with a 598 or 632ci
+ $2750.00

All Completed Heads Come with Specific Build Sheet, all Part numbers, Spring Rates and Installed Height Settings

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