Get Coupons
| Specifications & Features: | |
| Material | A356 Aluminum |
| Intake Port Volume | 195cc |
| Intake seat size | 2.08 |
| Exhaust seat size | 1.6 |
| Intake Port Dimension | 2.185" H x 1.265" W 5/16 Radius |
| Intake Port Location | Stock |
| Exhaust Port Volume | 64cc |
| Exhaust Port Dimension | 1.460" H x 1.565" W |
| Exhaust Port Location | 0.100" Raised |
| Combustion Chamber Size | 65cc or 72cc |
| Valve Cover Bolt Pattern | Perimeter Bolt |
| Valve Angle | 23° |
| Valve Spring Pocket Diameter | 1.460" O.D |
| Max Valve Spring Pocket Machining | 1.750" O.D |
| Warning: Do not machine spring pad any deeper. | |
| Deck Thickness | .750" |
| Minimum Bore Diameter | 4.000" |
| Flat Mill | .006" per cc 60cc Maximum |
| Angle Mill | .009" per cc 55cc Maximum |
| Note: Angle mills might require .120" Thick intake gasket. | |
| Minimum Cross Sectional Area | 1.920 sq. in. |
| Spark Plug Dimensions | 14mm x .750" w/Gasket Seat |
| Carb EO# | D-250-2 |
| Angle Plug | Straight Plug option |
| Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit the heads. | |
| 8mm Bead Lock Intake Valve, 2.080" x 4.900" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length | |
| Racing Spring 1.270" OD Hydraulic Dual Valve Spring, | |
| 155 lbs. on seat, .650" maximum lift, Max RPM 7000-7200 | |
| Manley 7° Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D | |
| 7° Bead Lock Valve Keepers | |
| 7/16" Rocker Studs | |
| 5/16" Guide Plates | |
| Viton Valve Seals .600" O.D x .495" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| Powder Metallurgy Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep | |
| Powder Metallurgy Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep | |
| 8 mm Mangsnese Bronze Valve Guides .502" O.D x 2.100" O.A.L | 11/32 is an option |
Rating
Long Press to Scan QR Code
Scan QR Code
