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Race Master, and the Pro Flo versions identified as Race Flo valves, are manufactured of XH-426 material for the exhausts and NK-842 for the intakes. This series of valves is targeted at the bracket, drag and oval track racers operating below 8000 rpm - above which engine speed titanium valves are generally required. Any engine builder successfully using EV-8 alloy ( 21-4N ) valves will find in this series of Manley valves a superior piece at a most attractive price.
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Manley 11350-8 Race Series Valves Manley 11350-8 - 2.100" Intake - Race Series Stainless Steel Valves

Manley 11350-8  LS1, LS2 and LS6 Race Series Stainless Steel Intake Pro Flo Valves

Our Price: $136.99
Manley 11360-8 Race Series Valves Manley 11360-8 - 2.000" Intake - Race Series Stainless Steel Valves

Manley 11360-8  LS1, LS2 and LS6 Race Series Stainless Steel Intake Pro Flo Valves

Our Price: $136.99
Manley 11361-8 Race Series Valves Manley 11361-8 - 1.550" Exhaust - Race Series Stainless Steel Valves

Manley 11361-8  LS1, LS2 and LS6 Race Series Stainless Steel Exhaust Valves

Our Price: $136.99
Manley 11362-8 Race Series Valves Manley 11362-8 - 2.020" Intake - Race Series Stainless Steel Valves

Manley 11362-8  LS1, LS2 and LS6 Race Series Stainless Steel Intake Pro Flo Valves

Our Price: $136.99
Manley 11363-8 Race Series Valves Manley 11363-8 - 1.575" Exhaust - Race Series Stainless Steel Valves

Manley 11363-8  LS1, LS2 and LS6 Race Series Stainless Steel Exhaust Valves

Our Price: $136.99
Manley 11365-8 Race Series Valves Manley 11365-8 - 1.600" Exhaust - Race Series Stainless Steel Valves

Manley 11365-8  LS1, LS2 and LS6 Race Series Stainless Steel Exhaust Valves

Our Price: $136.99
Manley 11390-8 Race Series Valves Manley 11390-8 - 2.055" Intake - Race Series Stainless Steel Valves

Manley 11390-8  LS1, LS2 and LS6 Race Series Stainless Steel Intake Pro Flo Valves

Our Price: $136.99
Manley 11398-8 Race Series Valves Manley 11398-8 - 2.080" Intake - Race Series Stainless Steel Valves

Manley 11398-8  LS1, LS2 and LS6 Race Series Stainless Steel Intake Pro Flo Valves

Our Price: $136.99
Manley 12350-8 Race Series Valves Manley 12350-8- 2.165" Intake - Race Series Stainless Steel Valves

Manley 12350-8  LS3, L92 and L99 Race Series Stainless Steel Intake Pro Flo Valves

Our Price: $144.99
Manley 11621-8 Race Series Valves Manley 11621-8 - 1.590" Exhaust - Race Series Stainless Steel Valves

Manley 11621-8  LS3, L92 and L99 Race Series Stainless Steel Exhaust Valves

Our Price: $148.99
Manley 12345-8 Race Series Valves Manley 12345-8 - 1.590" Exhaust - Race Series Stainless Steel Valves

Manley 12345-8  LT1 Race Series Stainless Steel Valves Exhaust Valves

Our Price: $149.99
Manley 12348-8 Race Series Valves Manley 12348-8 - 2.120" Intake - Race Series Stainless Steel Valves

Manley 12348-8  LT1 Race Series Stainless Steel Valves Intake Pro Flo Valves

Our Price: $149.99
Manley 12353-8 Race Series Valves Manley 12353-8 - 1.600" Exhaust -Race Series Stainless Steel Valves

Manley 12353-8  LS3, L92 and L99 Race Series Stainless Steel Exhaust Valves

Our Price: $149.99
Manley 11620-8 Race Series Valves Manley 11620-8 - 2.165" Intake - Race Series Stainless Steel Valves

Manley 11620-8  LS3, L92 and L99 Race Series Stainless Steel Intake Pro Flo Valves

Our Price: $159.99
Manley 11689-8 Race Series Valves Manley 11689-8 - 1.615" Exhaust - Race Series Stainless Steel Valves

Manley 11689-8  LS7 Race Series Stainless Steel Valves Exhaust Valves

Our Price: $159.99
Manley 11350H-8 Race Series Hollow Stem Valves Manley 11350H-8 - 2.100" Intake - Race Series Hollow Stem Stainless Steel Valves

Manley 11350H-8  LS1, LS2 and LS6 Race Series Hollow Stem Stainless Steel Intake Pro Flo Valves

Our Price: $467.99
Manley 11360H-8 Race Series Hollow Stem Valves Manley 11360H-8 - 2.000" Intake - Race Series Hollow Stem Stainless Steel Valves

Manley 11360H-8  LS1, LS2 and LS6 Race Series Hollow Stem Stainless Steel Intake Pro Flo Valves

Our Price: $467.99
Manley 11362H-8 Race Series Hollow Stem Valves Manley 11362H-8 - 2.020" Intake - Race Series Hollow Stem Stainless Steel Valves

Manley 11362H-8  LS1, LS2 and LS6 Race Series Hollow Stem Stainless Steel Intake Pro Flo Valves

Our Price: $467.99
Manley 11390H-8 Race Series Hollow Stem Valves Manley 11390H-8 - 2.055" Intake - Race Series Hollow Stem Stainless Steel Valves

Manley 11390H-  LS1, LS2 and LS6 Race Series Hollow Stem Stainless Steel Intake Pro Flo Valves

Our Price: $467.99
Manley 11398H-8 Race Series Hollow Stem Valves Manley 11398H-8 - 2.080" Intake - Race Series Hollow Stem Stainless Steel Valves

Manley 11398H-8  LS1, LS2 and LS6 Race Series Hollow Stem Stainless Steel Intake Pro Flo Valves

Our Price: $467.99
Manley 11620H-8 Race Series Hollow Stem Valves Manley 11620H-8 - 2.165" Intake - Race Series Hollow Stem Stainless Steel Valves

Manley 11620H-8  LS3, L92 and L99 Race Series Hollow Stem Stainless Steel Intake Pro Flo Valves

Our Price: $467.99
Manley 12350H-8 Race Series Hollow Stem Valves Manley 12350H-8 - 2.165" Intake - Race Series Hollow Stem Stainless Steel Valves

Manley 12350H-8  LS3, L92 and L99 Race Series Hollow Stem Stainless Steel Intake Pro Flo Valves

Our Price: $467.99