RACE SERIES VALVES - learn more about our valves
Manley valves have set the standard for excellence in quality, material and design in the performance world for four decades. Manufactured from proven Race Master materials, Manley valves feature chrome stems, hard tips, fully machined surfaces and swirl polished radii. Many applications are Pro Flow design for maximum air flow. |
 |
| Part No. |
Type |
Head Diameter |
Stem Diameter |
Installed Height |
O/A Length |
Tip Length |
Underhead Angle/Radius |
Margin |
Seat Width |
Top of Head |
Wgt/Grams |
 |
| Chrysler HEMI 5.7L |
|
| 11665-8 |
Exh. |
1.555" |
.3125" |
Stock |
4.845" |
.120" |
25° x 1/2" |
.065" |
.100" |
20° Dish |
88 |
|
| 11667-8 |
Exh. |
1.575" |
.3125" |
Stock |
4.845" |
.120" |
25° x 1/2" |
.065" |
.100" |
20° Dish |
90 |
|
| 11664-8 |
Int. |
2.000" |
.3125" |
Stock |
4.955" |
.120" |
Pro Flo: 12° x 3/8" |
.050" |
.085" |
7° Dish |
103 |
|
| 11666-8 |
Int. |
2.020" |
.3125" |
Stock |
4.955" |
.120" |
Pro Flo: 12° x 3/8" |
.050" |
.085" |
7° Dish |
104 |
|
| Chrysler HEMI 6.1L |
|
| 11669-8 |
Exh. |
1.595" |
.3125" |
Stock |
4.925" |
.120" |
25° x 1/2" |
.065" |
.100" |
20° Dish |
91 |
|
| 11671-8 |
Exh. |
1.625" |
.3125" |
Stock |
4.925" |
.120" |
25° x 1/2" |
.065" |
.100" |
20° Dish |
93 |
|
| 11668-8 |
Int. |
2.080" |
.3125" |
Stock |
4.990" |
.120" |
Pro Flo: 12° x 3/8" |
.050" |
.085" |
7° Dish |
108 |
|
| 11670-8 |
Int. |
2.100" |
.3125" |
Stock |
4.990" |
.120" |
Pro Flo: 12° x 3/8" |
.050" |
.085" |
7° Dish |
111 |
|
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