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Manley Valves BBC Severe Duty Valves Stock 3/8" & 5/16" (.311") Stem Diameters Superior Stainless for High Temp Gasoline Engines 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 3/8" Stem Diameters 11553-8 EXH 1.720 .3715 Stock 5.354 $199 order here 11519-8 EXH 1.725 .3715 .100 longer 5.474 $199 order here 11563-8 EXH 1.880 .3715 Stock 5.354 $199 order here 11525-8 EXH 1.880 .3715 .100 longer 5.474 $199 order here 11593-8 EXH 1.900 .3715 Stock 5.374 $199 order here 11535-8 EXH 1.900 .3715 .100 longer 5.474 $199 order here 11561-8 EXH 1.940 .3715 Stock 5.374 $199 order here 11533-8 EXH 1.940 .3715 .100 longer 5.474 $199 order here ---------------------------------------------------------------------------------------- 11554-8 INT 2.065 .3720 .100 longer 5.325 $212 order here 11520-8 INT 2.190 .3720 Stock 5.218 $199 order here 11538-8 INT 2.190 .3720 .100 longer 5.325 $212 order here 11562-8 INT 2.25 .3720 Stock 5.218 $199 order here 11524-8 INT 2.250 .3720 .100 longer 5.325 $212 order here 11534-8 INT 2.250 .3720 .200 longer 5.433 $212 order here 11530-8 INT 2.300 .3720 .100 longer 5.325 $212 order here 11536-8 INT 2.300 .3720 .200 longer 5.433 $212 order here 11570-8 INT 2.300 .3720 .250 longer 5.513 $212 order here 5/16" Stem Diameters 12843-8 EXH 1.880 .3110 Stock 5.422 $199 order here 12815-8 EXH 1.880 .3110 .100 longer 5.522 $199 order here 12817-8 EXH 1.900 .3110 Stock 5.422 $199 order here 12811-8 EXH 1.900 .3110 .100 longer 5.522 $199 order here 12803-8 EXH 1.940 .3110 Stock 5.422 $199 order here 12809-8 EXH 1.940 .3110 .100 longer 5.522 $199 order here 12802-8 INT 2.250 .3110 Stock 5.244 $199 order here 12850-8 INT 2.250 .3110 .100 longer 5.344 $212 order here 12850H-8 INT 2.250 .3110 (hollow) .100 longer 5.344 $529 order here 12856-8 INT 2.250 .3110 .250 longer 5.494 $212 order here 12856H-8 INT 2.250 .3110 (hollow) .250 longer 5.494 $529 order here 12898-8 INT 2.250 .3110 .350 longer 5.494 $212 order here 12780-8 INT 2.300 .3110 Stock 5.244 $212 order here 12842-8 INT 2.300 .3110 .100 longer 5.344 $212 order here 12784-8 INT 2.300 .3110 .200 longer 5.444 $212 order here 12854-8 INT 2.300 .3110 .250 longer 5.494 $212 order here 12878-8 INT 2.300 .3110 .350 longer 5.594 $212 order here 12838-8 INT 2.325 .3110 .250 longer 5.594 $212 order here 12880-8 INT 2.325 .3110 .350 longer 5.594 $212 order here

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