CAMS & VALVETRAIN 187 Order today! SummitRacing.com | 1-800-230-3030 Howards Cams Performance Valve Springs These performance valve springs from Howards Cams are manufactured to strict standards—each one is stress relieved, deburred, shot-peened, and heat treated for durability. For use with fl at tappet camshafts. Made in the USA unless noted. Single (with dampers) O.D./I.D. Seat Pressure Lbs./In. Open Coil Lbs./In. Coil Bind Spring Rate Lbs. Price/ Set of 16 HRS-98111∆ 1.240/.860 90/1.700 240/1.250 1.125 335 $59.99 HRS-98214 1.250/.870 115/1.700 300/1.250 1.160 411 $55.99 HRS-98212 1.260/.876 115/1.780 340/1.250 1.150 425 $76.99 HRS-98412 1.432/1.035 105/1.680 315/1.175 1.125 360 $119.99 HRS-98411 1.437/1.080 100/1.750 235/1.100 1.050 202 $87.99 HRS-98515∆ 1.510/1.110 100/1.880 275/1.380 1.300 350 $117.99 HRS-98611∆ 1.539/1.125 145/1.880 350/1.250 1.030 335 $119.99 Inverted Conical (beehive) For use with hydraulic roller camshafts. Requires HRS-97161 (7°) or 97174 (10°) retainers. HRS-98113 1.280/.900 108/1.800 329/1.265 1.150 412 $125.99 ∆Does not meet Made in the USA standards. See p. 183. Get the best value in high-performance with our Beat-A-Price Guarantee! Trick Flow by PAC Racing Valve Springs Trick Flow by PAC Racing valve springs are the only springs manufactured to Trick Flow’s rigorous, world-class testing standards. CNC-coiled from high tensile-strength, extra- durable Pacaloy™ chrome-silicon steel and double shot-peened beyond Aerospace Material Specifi cations reliability standards, these springs are designed to work with your precise cam and valvetrain combinations. Your valve springs are the most highly stressed and abused parts of your engine, so make sure yours are built to excel under pressure! Made in the USA. Single Springs Trick Flow by PAC Racing single springs have fl at internal damping coils to prevent spring surge at high revs, maintaining spring pressure at critical load levels. Part Number O.D./I.D. Seat Pressure Lbs./In. Open Pressure Lbs./In. Coil Bind Spring Rate Lbs. Price/ Set of 16 TFS-16981-16 1.254/0.790 110/1.700 300/1.250 1.150 422 $56.99 TFS-16848-16 1.255/0.781 110/1.700 311/1.200 1.160 402 $88.99 TFS-16846-16 1.265/0.765 125/1.750 388/1.250 1.130 526 $188.99 TFS-16942-16 1.437/0.947 115/1.700 285/1.200 1.113 340 $94.99 TFS-16972-16 1.460/0.970 109/1.850 293/1.250 1.146 307 $103.99 TFS-16940-16 1.464/0.990 95/1.900 236/1.300 1.189 235 $94.99 TFS-16926-16 1.476/0.972 110/1.800 318/1.300 1.167 416 $94.99 TFS-16839-16 1.500/0.996 98/1.880 316/1.300 1.100 375 $76.99 TFS-16911-16 1.525/1.000 127/1.900 311/1.400 1.110 368 $112.99 Dual Springs Trick Flow by PAC Racing dual valve springs are for more aggressive cam profi les. Choose the standard dual springs, or the dual springs with dampers for spring surge prevention. Part Number O.D./I.D. Seat Pressure Lbs./In. Open Pressure Lbs./In. Coil Bind Spring Rate Lbs. Price/ Set of 16 TFS-16893-16 1.460/0.794 120/1.875 394/1.175 1.050 391 $122.99 TFS-16943-16 1.550/0.812 240/1.900 625/1.200 1.068 550 $358.99 Dual Spring with Dampers TFS-16929-16 1.538/0.752 157/1.850 440/1.200 1.090 436 $125.99 TFS-16896-16 1.540/0.754 145/1.900 465/1.250 1.130 492 $226.99 TFS-16094-16 1.545/0.757 175/1.900 442/1.275 1.190 427 $378.99 TFS-16318-16 1.560/0.750 240/2.000 600/1.280 1.100 500 $352.99 Beehive Springs These beehive springs allow you to run a more aggressive cam without machining your spring seats, and are compatible with use with your stock retainers, locks, and seals. Part Number O.D./I.D. Seat Pressure Lbs./In. Open Pressure Lbs./In. Coil Bind Spring Rate Lbs. Price/ Set of 16 TFS-16918-16 1.290/0.650 130/1.800 318/1.200 1.140 313 $198.99 COMP Cams® Beehive™ Valve Spring Sets and Kits for Chevy LS These COMP Cams Beehive valve springs for Chevy LS engines improve valvetrain stability while reducing damaging harmonics and they install without machining. Perfect for aggressive-profi le hydraulic roller cam applications, the springs’ unique oval/multi-arc wire shape places maximum wire area at the point of greatest stress for improved heat dissipation and long service life. Available in a set of 16, or in a kit with 16 valve springs, steel retainers, 7° locks, valve seals, and spring seats. For LS1/LS2/LS6 (not for use on LS9 engines). Made in the USA. Top O.D./I.D. Bottom O.D./I.D. Seat Press. Lbs./In. Open Press. Lbs./In. Coil Bind Max Lift Spring Rate Lbs. Price/ Set of 16 CCA-26915-16 1.055/.650 1.290/.885 105/1.800 293/1.200 1.100 .600 313 $257.95 CCA-26918-16 1.075/.650 1.310/.885 125/1.800 367/1.150 1.100 .625 372 $274.95 Valve Spring Kits Price/Kit CCA-26915CS-KIT 1.055/.650 1.290/.885 105/1.800 293/1.200 1.100 .600 313 $448.95 CCA-26918CS-KIT 1.075/.650 1.310/.885 125/1.800 367/1.150 1.100 .625 372 $459.95 UNLESS NOTED ∆ Single Springs Dual Springs Trick Flow by PAC Racing Valve Spring Upgrade Kits These kits include everything that you need to install a high performance camshaft without machining on your stock heads (unless noted). These kits contain Trick Flow by PAC racing valve springs, retainers (titanium in LS kits, chromoly in Ford kits), valve seals, machined locks, spring shims, and instructions. Made in the USA. NOTE: Kits contain dual valve springs unless otherwise noted. Piston-to-valve clearance must be checked. Visit SummitRacing.com or call for more information. OE LS heads O.D./I.D. Seat Pressure Lbs./In. Open Pressure Lbs./In. Max Lift Spring Rate Lbs. Price/ Kit TFS-2500285 1.290/.694 150/1.800 372/1.200 .650 370 $353.99 TFS-2500300 1.275/.675 150/1.800 420/1.200 .650 450 $353.99 Ford 289-351W TFS-2500100* 1.488/.976 118/1.800 330/1.200 .540 358 $176.99 TFS-2500200+ 1.460/.720 145/1.750 364/1.250 .600 438 $252.99 *Single springs. +Upgrade for Twisted Wedge 170 heads. Crower Performance Valve Springs Crower Performance valve springs prevent fl oat and coil bind, protecting your valvetrain under the most extreme conditions. They’re available in a wide variety of heights, diameters, and rates, delivering the precise valve control your engine needs at a price your wallet will like! Available in sets of 8 and 16. Visit SummitRacing.com or call to fi nd the correct springs for your application. Valve spring sets, each ............................................ from $92.99 Beehive Springs Don’t forget: COMP Cams® Break-In Lubricants These lubricants ensure proper component mating and protection during crucial break-in operation. Compatible with all petroleum, synthetic, and blended engine oils. Made in the USA. Pro Cam Lube Apply Pro Cam assembly lubricant to lobes, lifters, and distributor gears during camshaft installation to promote proper break-in and prevent premature cam and lifter wear. CCA-152* 4 oz. ......................................................... each $16.95 CCA-153* 8 oz. ......................................................... each $22.95 *Ground shipping only. Summit Racing™ Valve Springs Scan here to shop! Single-, double-, and triple-spring styles in a wide variety of sizes--available only at SummitRacing.com!
