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Ford Racing Catalogue Web

ENGINE COMPONENTS VALVE ROCKER ARM ROCKER CHANNEL KIT PEDESTAL SHIM KIT M-6588-A50 M-6529-A302 • Fits 5.0L/5.8L production heads and GT-40 heads • Fits 302 and 351 pedestal-style cylinder heads like Ford Racing • For production stamped steel and Ford Racing bolt-on roller rockers M-6049-X306 and M-6049-X307 • Ties 2 rocker arms together for proper alignment • Use with bolt-on roller rocker arms M-6564-A50, M-6564-B351, and -C351, to obtain correct lifter pre-load • Shim kit includes 16 thin and 16 thick shims, which can be used to reduce lifter pre-load by 0.030" (thin shim), 0.060" (thick shim), or 0.090" (thin plus thick shim) Stud-Mounted Type ROLLER ROCKER ARM Proudly Made in the PERFORMANCE FEATURES: DESIGN FEATURES: USA • Reduces friction and horsepower loss • High-strength trunnion supported by needle roller bearings • Increases high-rpm train stability • Grade 8 adjusting nuts • Precision machined from 2024 high-tensile strength aircraft alloy extrusions PART NUMBER DESCRIPTION PACKAGE OF 16 APPLICATIONS RATIO MOUNTING VALVE TYPE NOTES M-6564-A351 289/302/351W 1.60:1 Stud Inline Requires 3/8" stud, push rod guide plates and Ford Racing and hardened push rods. Cast iron cylinder M-6564-D351 aluminum Cylinder 1.70:1 Stud Inline heads require pedestal machining. Heads M-6049-J302 M-6564-K351 289/302/351 Ford 1.60:1 Stud Inline Requires 7/16" stud, push rod guide plates Racing aluminum and hardened push rods. Cast iron cylinder Cylinder Head heads require pedestal machining. M-6049-Z304 (does not fit M-6049-Z304D, M-6049-Z304DA) M-6564-B351 302/351W – 1.60:1 Bolt On Inline For stock production cast iron cylinder a140a141 1978 and later with heads with hydraulic non-adjustable valve production heads. train. Does not require guide plates, Cast iron and aluminum hardened push rods or pedestal machining. GT-40 heads Includes pedestal inserts and bolts. M-6564-A50 302/351W – 1.70:1 Bolt On Inline Same as “Cobra” 5.0L Mustang. These a140 1978 and later with rocker arms have beefy trunnions for extra production heads. long life. Die-cast aluminum construction. Cast iron and aluminum GT-40 heads M-6564-F351 M-6049-N351/N352 1.65:1 Stud Inline 7/16" stud mount intake rocker with “Sportsman” Head, .150" offset push rod cup (pkg. of 16). M-6049-Z304D, M-6049-Z304DA M-6564-C351 351C/351M/400 1.73:1 Bolt On Canted For stock production canted valve cylinder 1973 and later heads with hydraulic non-adjustable valve 429/460 production train. Does not require guide plates, Cylinder Heads hardened push rods or pedestal machining. Includes pedestal inserts and bolts. M-6564-A460 351C/351M/400 1.73:1 Stud Canted For canted valve cylinder heads. Requires 302 BOSS/429/460, 7/16" stud, push rod guide plates and 429 CJ/SCJ and hardened push rods. Some cast iron Ford Racing high-port cylinder heads require pedestal machining. aluminum Cylinder Heads NOTES: a140 Roller Rocker Arms may not clear standard rocker covers. “Taller” valve covers may be required. a141Rocker channels not included. For important information about the proper usage of performance parts, please see page 14. See pages 286-292 for important safety, emissions and warranty information. www.fordracingparts.com 121


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