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12318-8 2.125" X 5.010" Intake Manley Race Master Valves Fits: SB Chevy 5/16"

12318-8 2.125" X 5.010" Intake Manley Race Master Valves Fits: SB Chevy 5/16"
NOTE: Photo is a general representation and NOT the actual product listed
  
These valves are priced as SETS. The last digit in the part number is the qty included.
GoRacingValves Price: $187.12


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Availability:: Usually Ships in 24 to 48 Hours
PART NUMBER: MAN12318-8
Qty:

Description
 
Manley Race Master Valves

Manley Race Master Series 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 is 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. Manley's Ultimate Tensile Strength tests reveal that the Manley Race Series are equal to the best valves that the competition has to offer. Race Series valves feature Chrome Stems, Hard Tips, Swirl Polished Heads, and are fully machined. These valves are the recommended Exhaust valves for Alcohol engines.



APPLICATION(S):
CHEVROLET
V8 Small Block 265-400







MANUFACTURER:  Manley

PART NUMBER:  12318-8

INTAKE/EXHAUST:  Intake

HEAD DIAMETER:  2.125"

STEM DIAMETER:  5/16"

OVERALL LENGTH:  5.010"

TIP LENGTH:  .290"

MARGIN: .050"

SEAT WIDTH: .100"

STYLE:  10� X 3/8" angle/radius- 5� Dish Top of Head-.100" Longer

TECH NOTES:  Requires Use of Bead Loc Valve Locks

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