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18cc 32/25mm 5mm Tillotson Big Valve Head CNC Ported
18cc 32/25mm 5mm Tillotson Big Valve Head CNC Ported - Image 1 of 0
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18cc 32/25mm 5mm Tillotson Big Valve Head CNC Ported

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  • Special Instructions:: Fits Honda GX200, Tillotson 196/212/225, Wildcat, & Predator 212 Engines
Product Code: TIL-1BV18P-3
Currently Unavailable
out of stock
EC CNC Ported Big Valve 32/25mm Head Using the Tillotson JT-207 Cylinder Head.

Fits Honda GX200, Tillotson 196/212/225, Wildcat, & Predator 212 Engines

EC Have Built A 32-25mm Valve Combination Cylinder Head Based On Popular Demand. Engine Builders And Racers Have Found That Peak Torque Is At Lower RPM With Smaller Exhaust Valve That Improves Low-End Torque, Leading to Better Acceleration For Engines Built For Low-Speed Corners On Short Ovals, Sprint kart Racing, Or Drag Racing Setups.

The Head Comes With 32mm Intake And 25mm Exhaust Valves; 5mm Stems. Precision Multi-Angle job, Valve Bowl Area, Cleaned Up Match To The Seats. The Valve Work Is Performed On Rotter Seat 7 Guide Machine For Accuracy And Precision. Heads Are Vacuum Checked After The Valves Are Installed To Ensure Your Air-Fuel Mixture And Combination Happens In The Cylinder. The Head Milled To ~18cc Combustion Chamber. The Cylinder Head Is CNC Ported On Our State Of The Art Multi-Axis HAAS Machines. CNC Porting Rather Than Hand Porting Makes Each Port Consistent And Accurate From Head To Head. CNC Machining Also Reduces the Cost Of Labor to Make it More Budget Friendly. Springs, Retainers, Rockers, Gaskets, Seals, Or Valve Covers Are Omitted.

HEAD SPECS:

-Intake: 32mm, 5mm
-Exhaust: 25mm, 5mm
-Combustion Chamber: 18cc, Non-Hemi
-Multi-Angle Valve Job
-CNC Ported

Compression Ratio Examples ( Final Result Will Vary On Engine measurements):

Predator Hemi, Flat Top, .35" Deck Height
W/ .045" Thick Head Gasket 9.22:1
w/ .010" Thin head Gasket 10.48

Tillotson 212 Flat Top, .000" Deck Height
W/ .045" Thick Head Gasket 10.48:1
W/ .010" Thin Head Gasket 12.19:1

Tillotson 225, Flat Top, .000" Deck Height
W/ .045" Thick Head Gasket 11:37:1
W/ .032" EC Copper Head Gasket 11:63:1

EC 228R, Flat Top, .000" Deck Height
W/.045" Thick Head 11:01:1
W/ .032" EC Copper Head Gasket 11:63:1

EC236R, Flat Top, .000" Deck Height
W/.045" Thick Head Gasket 11:37:1
W/.032" EC Copper Head Gasket 12.01:1

FAQ

Q. Will This Fit A non-Hemi Predator 212?

A. The Dowel Pin Location And Size Are Different On A Non-Hemi Predator But Can be Easily Made To Work. We Recommend that Modified Engines With the Tillotson R-Series Reinforced Blocks.



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