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Ford Racing Catalogue Web

ENGINE COMPONENTS INTAKE VALVES — SINGLE GROOVE (SOLD INDIVIDUALLY) HEAD TIP TOTAL PART NUMBER AP PLI CA TION DIAMETER LENGTH LENGTHDE SCRIP TION M-6507-J302 GT-40 Head Aluminum 1.940" 0.383" 5.078" Premium stainless steel, swirl M-6049-Y302/Y303/X302/ polished, under-cut stem. X303/X304/X305/X306/X307 M-6507-A304 M-6049-Z304/Z304D/ 2.020" 0.290" 5.340" Premium stainless steel. Z304DA M-6507-A351 M-6049-N351/R351 2.020" 0.250" 5.140" Premium stainless steel. M-6507-B429 429/460 Wedge 2.200" 0.250" 5.265" Premium stainless steel. SCJ Aluminum M-6049-SCJ/ SCJA/SCJB Intake Valve EXHAUST VALVES — SINGLE GROOVE (SOLD INDIVIDUALLY) HEAD TIP TOTAL PART NUMBER AP PLI CA TION DIAMETER LENGTH LENGTHDE SCRIP TION M-6505-A351 M-6049-N351/R351 1.600" 0.250" 5.140" Premium stainless steel. M-6505-A429 429/460 Wedge 1.760" 0.250" 5.050" Premium stainless steel. CJ/SCJ Aluminum M-6049-A429/B429/C429, M-6049-SCJ/SCJA/SCJB M-6505-B304 M-6049-Z304D/Z304DA 1.600" 0.290" 5.365" Premium stainless steel. M-6505-G302 GT-40 Head Cast Iron 1.540" 0.383" 5.078" Premium stainless steel, M-6049-L302/303 swirl polished, under-cut stem. Aluminum M-6049-Y302/ Y303/X302/X303/X304/ Exhaust Valve X305/M-6049-X306/X307 BOSS 302R EXHAUST VALVES BOSS 302R 5.0L INTAKE VALVES M-6505-M50BR Set of 8 M-6507-M50BR Set of 8 • Sodium-filled for improved heat dissipation • Intake valve used in BOSS 302 cylinder head • 31.8 mm diameter, larger than base 5.0L exhaust valve (31 mm) • Light-weight, hollow stem • Same length as base 5.0L valve • Same diameter and length as the base 5.0L valve For important information about the proper usage of performance parts, please see page 14. 116 Techline (800) FORD788 See pages 286-292 for important safety, emissions and warranty information.


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