Page 13 of Valvetrain and Timing by Parts Pro

high performance 2006 parts pro master catalog proform valvetrain proform is the value leader in valvetrain components offering friction reducing rocker arms us made high performance pushrods and valvetrain tools and accessories primarily suited for street and sportsman racers you can afford to add high performance to your engine when you choose proform heavy duty extruded aluminum roller-rocker arms for chevy small block fits chevytm small block engines heavy duty 1.6 ratio 7/16 stud full needle bearing fulcrum and roller tip to eliminate friction which in turn equals more horsepower and longer valve train component life each set includes 16 extruded aluminum roller rockers and 16 poly locks description chevy chevy chevy chevy sb sb sb sb 1.5 1.6 1.5 1.6 ratio ratio ratio ratio 3/8 stud 3/8 stud 7/16 stud 7/16 stud part no 66928 66929 66930 66931 extruded aluminum roller rocker arms rid your engine of internal friction with roller-tipped rocker arms the raceproven full needle bearing fulcrum and roller tip not only unleash horsepower they also lengthen valve train component life and reduce wear and tear on valve stem tips precision machined to insure consistency and ratio accuracy 16 extruded aluminum roller rockers and 16 poly locks description part no 66907c 66908c 66909c 66910c 66920c 66914c 66915c 66913c 66911c 66912c 66861c 66879 66878 66860c chevy sb 1.5 ratio 3/8 stud chevy sb 1.6 ratio 3/8 stud chevy sb 1.5 ratio 7/16 stud chevy sb 1.6 ratio 7/16 stud chevy sb 1.5 ratio 3/8 stud 8 pcs 1.6 ratio 3/8 stud 8 pcs chevy sb w/center hold-down valve cover 1.5 ratio 3/8 stud self aligning chevy sb w/center hold-down valve cover 1.6 ratio 3/8 stud self aligning chevy bb 1.6 ratio 7/16 stud ford sb 1.6 ratio 3/8 stud ford sb 1.6 ratio 7/16 stud ford 302 boss 351c 429-460 77-94 ford alum s/b pedestal mt 302ho 351w hyd roller cams 1.6 ratio 5/16 stud 77-94 ford alum s/b pedestal mt 302ho 351w hyd roller cams 1.7 ratio 5/16 stud oldsmobile 350-455 1.6 ratio 7/16 stud 1-piece pushrods heat-treated .065 wall thickness 4130 chromemoly for use with guide plates 25 thicker walls than a major competitor s brand gloss black finish premium one-piece pushrods for the price of competitors 3piece each end is precision formed with specified radius for optimum wear characteristics with minimal metal-to-metal friction 16 pieces per package description chevy chevy chevy chevy chevy chevy chevy chevy chevy part no description part no 66409c 66410c 66413c 66414c 66423c 66415c 66427c sb 5/16 stock length 66891c sb 5/16 100 66892c sb 5/16 160 66402c sb 5/16 200 66403c sb 5/16 oem roller 66404c sb 5/16 craneŽ roller 66405c sb 3/8 stock length 66406c bb 3/8 stock length 66407c bb 7/16 stock length 66408c chevy bb 3/8 405 tall deck ford 5/16 289-302 69-94 ford 5/16 351c ford 5/16 429 super cj70 ford 5/16 289-302 with oem rollers 57-81 pontiac v8 287-455 64-84 oldsmobile v8 with hydraulic lifters 3/8 260-403 chrysler shaft rocker system rid your engine of internal friction with roller-tipped rocker arms the raceproven full needle bearing fulcrum and roller tip not only unleash horsepower they also lengthen valve train component life and reduce wear and tear on valve stem tips precision machined to insure consistency and ratio accuracy 16 extruded aluminum roller rockers and 16 poly locks description mopar sb 1.5 ratio supplied with hardened shaft hardware mopar bb 1.5 ratio supplied with hardened shaft hardware high-performance 3-piece pushrods premium high-grade steel tips welded on not pressed on heat treated for use with guide plates description chevy sb v6/90° 5/16 100 s/b chevy sb v6/90° 5/16 stock length chevy bb 3/8 stock length part no 66889c 66890c 66894c part no 66869 66868 cast chromemoly rocker arms cast of tough chromemoly alloy perfect for the average street engine more rigid and durable than the stock stamped varitey roller tip reduced friction description 1.5 1.6 1.5 1.6 ratio ratio ratio ratio 3/8 3/8 3/8 3/8 stud stud stud self aligning stud self aligning pushrod length checker for chevy small block engines proper pushrod length is absolutely critical for peak performance ­ minimizing bent or broken valve stems guide wear and energy-wasting valve side-loading friction description part no 3/8 studs 7/16 studs bb chevy 66789 66790 66806 part no 66933c 66925c 66926c 66927c valve lash wrench set this simple t-handle and wrench set makes adjustment very easy cutting the adjusting time in half description part no 1/2 with 3/16 and 1/8 7/16 with 3/16 and 7/32 9/16 with 3/16 and 7/32 5/8 with 3/16 and 7/32 66778 66779 66780 66781 stamped stock long-slot rocker arms fits chevy small block engines for use when roller tip is not required proven oem quality extra long slot eliminates rocker to stud interference when using high lift cams 16 rockers grooved balls and nuts per package description chevy sb 1.5 ratio 3/8 stud chevy sb 1.6 ratio 3/8 stud part no 66905 67300 78 some parts are not legal for sale or use in california on any pollution controlled motor vehicle.

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