CAMS & VALVETRAIN 174 WARNING: For Proposition 65 information, see p. 183 Some parts are not legal for sale or use in California or other states with similar laws/regulations—see p. 183 for details. Summit Racing™ Pro Hemi Camshafts Our Pro Hemi camshafts are made from American bearing steel billets with precise, CNC-ground geometry. Choose from a wide variety of applications and profi les to maximize your Gen III Hemi’s performance! Many applications require additional engine upgrades and/or custom tuning—call us or visit SummitRacing.com for complete details. Made in the USA. NOTE: RPM range for replacement non-MDS camshafts is equivalent to the indicated OE part number. Stage RPM Range Duration @ .050" Int./Exh. Lift Int./Exh. Lobe Sep. Part Number Replacement Non-MDS Factory 53022064AA 187°/194° .477"/.465" 112° SUM-5700 Factory 53022065BE 187°/205° .515"/.502" 114° SUM-5702 Factory 53022314AD 195°/207° .540"/.498" 115° SUM-5701 Factory 05038419AB 212°/216° .582"/.546" 121° SUM-5703 Naturally Aspirated Automotive Stage 1 1,800-6,000 206°/212° .600"/.585" 113° SUM-5711 Stage 2 2,000-6,200 212°/218° .600"/.585" 114° SUM-5712 Stage 3 2,200-6,400 218°/224° .600"/.585" 115° SUM-5713 Stage 4 2,600-6,600 224°/228° .600"/.585" 115° SUM-5714 Stage 5 3,000-7,000 228°/244° .625"/.625" 118° SUM-5718 Stage 6 3,200-7,200 232°/248° .625"/.625" 120° SUM-5719 5.7L Truck Stage 1 1,600-6,000 206°/212° .540"/.540" 110.5° SUM-5721 Stage 2 1,800-6,200 212°/218° .540"/.540" 111.5° SUM-5722 Stage 3 2,200-6,400 218°/224° .540"/.540" 113° SUM-5723 6.4L Truck Stage 1 1,600-6,000 206°/212° .585"/.540" 110.5° SUM-5725 Stage 2 1,800-6,200 212°/218° .585"/.540" 111.5° SUM-5726 Stage 3 2,200-6,400 218°/224° .585"/.540" 113° SUM-5727 Supercharged Stage 2 2,000-6,200 212°/224° .625"/.625" 116° SUM-5715 Stage 3 2,200-6,400 218°/228° .625"/.625" 117° SUM-5716 Stage 4 2,600-6,600 224°/238° .625"/.625" 118° SUM-5717 Stage 5 3,000-7,000 228°/244° .625"/.625" 118° SUM-5718 Stage 6 3,200-7,200 232°/248° .625"/.625" 120° SUM-5719 Turbo Stage 1 2,600-6,600 218°/224° .625"/.625" 112° SUM-5731 Stage 2 3,000-7,000 224°/228° .625"/.625" 114° SUM-5732 Stage 3 3,200-7,200 228°/232° .625"/.625" 115° SUM-5733 Stage 4 3,400-7,500 232°/238° .625"/.625" 118° SUM-5734 Big Gun Series Stage 1 3,200-7,200 232°/244° .625"/.625" 116° SUM-5741 Stage 2 3,400-7,400 238°/248° .625"/.625" 117° SUM-5742 Stage 3 3,600-7,600 244°/251° .625"/.625" 116° SUM-5743 Stage 4 3,800-7,800 251°/257° .625"/.625" 117° SUM-5744 Summit Racing™ Pro Hemi Camshafts ............................................... from $349.99 Popular tool: Powerhouse Products GM LS Lifter Retaining Tools Keep lifters from falling into the engine during LS cam swaps! These retaining tools from Powerhouse fi t through the holes in the front of the engine and hold the lifters in their bores. Each tool is extra-long, with an integrated handle, plus rounded tips and a smooth exterior that’s exactly the correct diameter to prevent internal damage. POW-POW101046 .....................................................................................set $102.95 Summit Racing™ Engine Tools Made in the USA unless noted. EZ Pushrod Length Checkers These pushrod length checkers give you accurate, consistent results when setting up your valvetrain. Each is made from stainless steel and features a .100" simulated oil hole, where applicable. EZ Pushrod Length Checkers, each∆ ........................................................from $99.99 Camshaft Bearing Bore Alignment Tool Bolts to the front of your Gen III/IV LS block to provide precise cam bearing alignment and prevent damage during installation. SUM-900105 ............................................................................................each $92.99 Camshaft Installation Handle Compatible with Gen III/IV/V LS/LT engines, as well as small/big block Chevy and 90° V6. SUM-900133 ............................................................................................each $42.99 Camshaft Bearing Installation Tools These tools ensure quick and precise removal and installation of cam bearings. Each includes an arbor with drive mount, drive spools, drive cap, and instructions. Price Each SUM-900130 Small block Chevy ......................... $67.99 SUM-900131∆ GM LS ........................................... $83.99 Cam Phaser Tools These tools use shop air to pressurize and unlock the cam phaser, so piston-to-valve clearance can be checked throughout the phaser’s entire range of motion. Price Each SUM-PHASULLS∆ GM LS ........................................... $99.99 SUM-PHASULLT∆ GM LT ........................................... $99.99 SUM-PHASULHEMI∆ Mopar Gen III Hemi ...................... $99.99 ∆Does not meet Made in the USA standards. See page 183. Summit Racing™ Pro SBC Series Camshafts All Summit Racing Pro Series camshafts are CNC-machined from American billet steel, with the latest in lobe geometry to maximize performance. For complete application details and requirements, call us or visit SummitRacing.com. Made in the USA. Pro SBC Turbo Camshafts These hydraulic roller camshafts utilize modern, boost-friendly lobe geometry. Each is optimized to extract the best performance from your blow-through or EFI setup while being easy on the valvetrain. Stage RPM Range Duration @ .050" Int./Ext. Lift Int./Ext Lobe Sep. Part Number Stage 1 2,800-6,800 218°/224° .525"/.550" 113° SUM-8805 Stage 2 3,000-7,000 224°/226° .550"/.520" 114° SUM-8806 Stage 3 3,500-7,200 232°/232° .550"/.550" 115° SUM-8807 Stage 4 3,500-7,400 242°/242° .550"/.550" 117.5° SUM-8808 Pro SBC Turbo Camshafts, each ...........................................................from $279.99 Pro SBC Roller Camshafts No matter the goal for your small block Chevy, we have the cam to help you achieve it! These step-nosed cams are for use in 1986-2002 roller blocks with factory-style cam retainer plate. Stage RPM Range Duration @ .050" Int./Ext. Lift Int./Ext Lobe Sep. Part Number Stage 1 1,500-6,000 204°/227° .450"/.450" 112° SUM-8800 Stage 2 1,500-6,000 212°/218° .525"/.520" 112° SUM-8801 Stage 3 1,800-6,300 218°/227° .525"/.520" 112° SUM-8802 Stage 4 2,000-6,500 224°/232° .550"/.540" 112° SUM-8803 Summit Pro SBC Roller camshafts, each..............................................from $279.99 Pro SBC LS Firing Order Camshafts Converting your small block Chevy to an LS fi ring order provides better intake airfl ow distribution and combustion chamber cooling, less chance of detonation, reduced bearing wear, smoother operation, and increased power. Hydraulic roller cams for use in pre-1986 non-roller blocks. NOTE: Ignition wire order must be revised to 1-8-7-2-6-5-4-3. For use with 4-into-1 headers only. Stage RPM Range Duration @ .050" Int./Ext. Lift Int./Ext Lobe Sep. Part Number Stage 1 1,500-6,000 212°/218° .525"/.520" 110° SUM-1221 Stage 2 1,800-6,250 218°/227° .525"/.520" 110° SUM-1222 Stage 3 2,000-6,500 224°/232° .550"/.540" 110° SUM-1223 Stage 4 2,200-6,400 232°/242° .550"/.550" 110° SUM-1224 Stage 5 2,600-6,600 242°/251° .550"/.550" 110° SUM-1225 Stage 6 3,000-7,000 248°/256° .550"/.550" 110° SUM-1226 Stage 7 3,200-7,200 252°/258° .550"/.550" 110° SUM-1227 Summit Pro SBC LS fi ring order camshafts, each ................................from $269.99 UNLESS NOTED ∆
