CAMS and VALVETRAIN 179 Order today! SummitRacing.com | 1-800-230-3030 Get feedback from real Summit customers with our online Ratings and Reviews! Summit Racing™ Pro LS Camshafts Forget the custom grind—we have a Summit Racing Pro LS Camshaft that’s perfect for your LS engine build! Each is CNC ground from American bearing steel, featuring modern profi les with optimized overlap, power, and tunability for a huge range of applications. An advanced hardening process and micro-polished lobes ensure quiet operation and stability throughout the rpm range. Additional engine upgrades and custom tuning are required for many applications—Call us or visit SummitRacing.com for more details. Made in the USA. RPM Duration @ Lift Lobe Part Range .050" Int./Exh. Int./Exh. Sep. Number Pro LS Vortec Truck Swap Camshafts Torkinator 600-5,900 200°/205° .550"/.550" 113° ....SUM-8727R1 ^ Tow 750-6,000 205°/217° .500"/.500" 112° ....SUM-8718R1 Stage 1 2,000-6,000 210°/218° .500"/.500" 112° ....SUM-8712R1 Stage 1 HL 1,800-6,200 209°/217° .550"/.550" 112° ....SUM-8719R1 * Torkinator 2 HL 2,000-6,300 212°/218° .600"/.585" 110° ....SUM-8728R1 * Stage 2 2,200-6,500 218°/227° .522"/.524" 112° ....SUM-8701R1 Stage 2 HL 2,200-6,700 218°/227° .600"/.600" 112° ....SUM-8720R1 * Stage 3 2,500-6,500 222°/232° .545"/.545" 112° ....SUM-8713R1 Stage 4 3,000-6,800 226°/230° .550"/.550" 112° ....SUM-8714R1 Pro LS Automotive Camshafts Stage 1 2,800-6,800 222°/234° .600"/.575" 115° ....SUM-8715R1 Stage 2 3,000-7,000 226°/238° .600"/.600" 113° ....SUM-8707R1 Stage 3 3,500-7,000 232°/242° .600"/.600" 113° ....SUM-8708R1 Stage 3 LS3 3,500-7,000 230°/242° .625"/.605" 113° ....SUM-8710R1 + Stage 4 3,500-7,000 238°/246° .625"/.605" 113° ....SUM-8709R1 Stage 4 LS3 3,750-7,000 234°/248° .625"/.605" 113.5° ....SUM-8711R1 + Stage 5 4,000-7,000 247°/255° .625"/.615" 113.5° ....SUM-8721R1 Pro LS Single Plane Camshafts Stage 1 2,500-6,500 225°/236° .525"/.525" 110° ........ SUM-8700 Stage 2 2,000-6,000 227°/239° .551"/.551" 108° ........ SUM-8704 Stage 3 2,500-6,500 236°/246° .612"/.612" 110° ........ SUM-8702 Stage 4 2,500-6,500 240°/252° .569"/.569" 106° ........ SUM-8703 Pro LS Turbo Camshafts Stage 2 3,000-7,000 226°/230° .600"/.575" 113° ....SUM-8706R1 Stage 3 3,000-7,000 232°/234° .600"/.575" 115° ....SUM-8716R1 Stage 4 3,500-7,200 238°/234° .625"/.600" 117° ....SUM-8717R1 Pro LS Twin Turbo Camshafts Stage 3 3,600-7,100 234°/238° .625"/.600" 115° ....SUM-8722R1 Stage 4 3,800-7,300 240°/242° .625"/.605" 116° ....SUM-8723R1 Stage 4.5 4,000-7,500 242°/248° .625"/.605" 116° ....SUM-8724R1 Stage 5 4,200-7,700 247°/251° .625"/.605" 117.5° ....SUM-8725R1 Stage 5.5 4,500-8,000 251°/255° .625"/.615" 117° ....SUM-8726R1 Summit Pro LS Camshafts, each ........................................................ from $299.99 *High-lift version. +Recommended for use with LS3 rectangular heads. ^Intended for 4.8/5.3L Vortec engines. Summit Summit Racing Racing Pro LS Cams Are Here! No one beats Summit Racing Equipment’s everyday low prices–the Beat-A-Price Guarantee says so. See page 189. 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 $97.95 Popular tool: COMP Cams® Chevy LS1 Rocker Arm Retrofi t Trunnion Kit Upgrade your LS1's valvetrain with this COMP Cams retrofi t trunnion kit. Each kit has 16 rugged 8620 steel alloy trunnions with caged roller bearings that increase rigidity and reliability. Recommended for circle track and drag racing classes where stock engine components are mandated. CCA-13702-KIT .......................................................................................... kit $175.95 Summit Racing™ LS Valvetrain Upgrades Complete Valvetrain Upgrade Combo Prep your 4.8/5.3/5.7/6.0L Chevy LS for extra power with this valvetrain upgrade combo from Summit and Trick Flow. This handy combo starts with Trick Flow’s Track Max® Pacaloy™ beehive valve springs: Top Bottom Seat Press. Open Press. Coil Spring O.D./I.D. O.D./I.D. Lbs./In. Lbs./In. Bind Rate Lbs. 1.055/0.650 1.290/0.885 130/1.800 318/1.200 1.140 313 Then, we add Summit spring locks, our retrofi t rocker arm trunnion kit (see below), and an integral shim/seal kit. We also include a Summit vise fi xture for installing your rocker arm bearings. Max lift .610". Made in the USA. SME-K-14300 ..................................................................................... combo $407.95 Upgraded LS Rocker Arms We start with 16 GM 1.7 ratio rocker arms, then beef them up with our retrofi t rocker arm trunnion kit (see below), and fi nally give them a coating of Molykote® dry fi lm break-in lubricant. Bolts included. Made in the USA. Price/Kit SME-K-143021 LS1 ................................................................................ $501.82 SME-K-143023 LS3 ................................................................................ $501.82 Additional Components SME-143000 Shot-peened LS1 rocker bodies........................pack of 8 $89.99 SME-143005 Rocker arm bolts, black oxide steel, 8mm x 1.25 ......................................................pack of 8 $26.99 SME-143012∆ Heavy-duty LS2 timing chain ...................................each $29.99 SME-143002 Retro-fit rocker arm trunnions ........................ set of 16 $129.99 ∆Does not meet Made in the USA standards. See p. 189. UNLESS NOTED ∆ COMP Cams® Distributor Drive Gears Made in the USA. Carbon Ultra-Poly Drive Gears Use these composite gears in street and race roller cam applications to minimize the wear and spark scatter associated with bronze gears. Not recommended for use with high-volume or high-pressure oil pumps. Price Each CCA-12140 Chevy, 262-454, with .500" shaft ..................$143.95 CCA-12200 Chevy, 262-454, with .491" shaft ..................$143.95 CCA-35200 Ford, 302-351W, with .467" shaft .................$143.95 CCA-35100 Ford, 302-351W, with .530" shaft .................$143.95 Melonized Distributor Drive Gears These drive gears are made from long-wearing melonized iron for compatibility with any steel, cast iron, or ductile iron camshaft. CCA-410M Chevy, 262-454, with .500" shaft ..................$107.95 CCA-412M Chevy, 262-454, with .491" shaft ..................$112.95 CCA-431M Ford, 302-351W, with .467" shaft ...................$99.95 CCA-435M Ford, 302-351W, with .530" shaft ...................$98.95 Learn more online! Watch the video about our Pro LS Camshaft lineup.
