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Manley Valves BBC Pontiac "Pro Stock" DART "Big Chief" Severe Duty Valves XH-428 Stainless Exhaust Material NK-844 Stainless Intake Material Chrome Stems and Hard Tips Swirl Polished and Fully Machined

Part # Type Head Diam. Stem Diam. Installed Height O/A Length Price/ Set Order Online 11581-8 EXH 1.900 .3415 Stock 6.380 $205 order here 11583-8 EXH 1.940 .3415 Stock 6.400 $205 order here ---------------------------------------------------------------------------------------- 11580-8 INT 2.325 .3415 Stock 6.590 $212 order here 11585-8 INT 2.400 .3415 Stock 6.600 $199 order here

Special * = Short installed height for Marine Applications

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