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Trick Flow SBC CNC 18-Deg Cylinder Head 250cc Assembled
Original price was: $1,405.99.$99.00Current price is: $99.00.
(In Stock)
SB Chevy Ultra 18 250 Race Cylinder Head
Engineered for high-RPM racing engines, ultra 18 250 race cylinder heads provide more horsepower out-of-the box than fully prepped OEM-style 23 heads. Aluminum head includes CNC-profiled combustion chambers and competition ported runners for maximum flow. Head accepts most 18 intake manifolds, headers, and related components. Requires offset shaft-mounted rocker arms and mechanical roller camshaft with offset intake lifters. Sold as each.
- Cylinder Head – Ultra 18 – Assembled – 2.150 / 1.600 in Valves – 250 cc Intake – 56 cc Chamber – 1.560 in Springs – Angle Plug
- Aluminum
- Small Block Chevy
- Sold as Each
- Part Number: TFS-3181T001-C01
Specifications
| Brand | Trick Flow |
| Part Number | TFS-3181T001-C01 |
| Product Line | Ultra 18 |
| Assembled/Bare | Assembled |
| Chamber Volume | 56 cc |
| Plug Angle | Angle |
| Intake Runner Volume | 250 cc |
| Exhaust Runner Volume | 100 cc |
| Intake Port Shape | Rectangle |
| Intake Port Location | Stock |
| Intake Port Height | 2.200 in |
| Intake Port Width | 1.350 in |
| Exhaust Port Shape | Oval |
| Exhaust Port Location | Stock |
| Exhaust Port Height | 1.460 in |
| Exhaust Port Width | 1.760 in |
| Intake Valve Size | 2.150 in |
| Intake Valve Included | Yes |
| Intake Valve Material | Stainless |
| Intake Valve Length | 5.550 in |
| Exhaust Valve Size | 1.600 in |
| Exhaust Valve Included | Yes |
| Exhaust Valve Material | Stainless |
| Exhaust Valve Length | 5.560 in |
| Valve Spring Included | Yes |
| Intended Camshaft Style | Solid Roller |
| Maximum Lift | 0.700 in |
| Valve Spring Diameter | 1.560 in |
| Valve Spring Number | Dual |
| Valve Spring Damper | Yes |
| Valve Spring Retainers Included | Yes |
| Valve Spring Retainer Material | Titanium |
| Valve Locks Included | Yes |
| Valve Lock Material | Steel |
| Valve Lock Angle | 10 Degree |
| Valve Seal Included | Yes |
| Valve Seal Style | Positive Stop |
| Valve Seal Material | Viton |
| Rocker Studs Included | No |
| Pushrod Guide Plate Included | No |
| Valve Guide Included | Yes |
| Valve Guide Material | Bronze |
| Center Mount Valve Cover | Yes |
| Valve Seat Included | Yes |
| Intake Valve Seat Material | Ductile Iron |
| Exhaust Valve Seat Material | Ductile Iron |
| Valve Seat Finish | Machined |
| Combustion Chamber Finish | As Cast |
| Intake Runner Finish |
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