STREET PERFORMANCE /COMPETITION VALVES
LS Series Manley Part No.
Description
Diameter
Length
Qty.
LS1/LS2/LS6 GEN III Race Master and Pro Flow Exhaust Valves MAN11361-8 Race Master, .3136" Valve Stem
1.550" 1.550" 1.575" 1.600" 1.575" 1.575" 1.590" 1.600" 2.000" 2.020" 2.165"
4.923" 4.923" 4.923" 4.923" 4.923" 4.923" 4.923" 4.923" 4.874" 4.874" 4.900"
8 8 8 8 8 8 8 8 8 8 8
MAN11673-8 MAN11675-8 MAN11677-8 MAN11681-8 MAN11363-8 MAN11621-8 MAN11365-8
Severe-Duty/Pro Flo, .3136" Valve Stem Severe-Duty/Pro Flo, .3136" Valve Stem Severe-Duty/Pro Flo, .3136" Valve Stem Extreme-Duty, .3136" Valve Stem Race Master, 5/16" Valve Stem Pro Flo, .3133" Valve Stem Race Master, 5/16" Valve Stem
Intake Valves MAN11360-8
Race Flo, 5/16" Valve Stem Race Master, 5/16" Valve Stem Pro Flo, .3133" Valve Stem
MAN11362-8 MAN11620-8
LS3 Severe-Duty and Extreme-Duty Exhaust Valves MAN11661-8
Severe-Duty Pro Flo, .3136" Valve Stem
1.590"
4.923"
8
Intake Valves MAN11686-8 LS7 Exhaust Valves MAN11679-8 Intake Valves MAN11688-8 MAN11687-8
Severe-Duty Pro Flo, .3133" Valve Stem
2.165"
4.900"
8
Severe-Duty Pro Flo, .3136" Valve Stem Extreme-Duty, .3136" Valve Stem
1.610" 1.610"
5.230" 5.230"
8 8
Severe-Duty Pro Flo, .3136" Valve Stem
2.205"
5.200"
8
Note: Most of the above valves are available each. Simply replace -8 with a -1 for a single valve.
VALVE SPRING RETAINERS, LOCKS, SEATS, & SHIMS See Page 548-554 VALVE STEM SEALS, LASH CAPS, & ROTATOR ELIMINATORS See Page 554-556 VALVE SPRINGS - See Page 538-548
MAKE MONSTER HORSEPOWER WITH FRANKENSTEIN! FRANKENSTEIN LS CYLINDER HEADS AND PRO-BILLET INTAKE MANIFOLDS ARE NOW AVAILABLE!
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2021-22 ENGINE BUILDER CATALOG
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