gm ls gen iii/iv three-bolt 8 cyl present *see application chart on pages

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1 CAMSHAFTS CAMSHAFTS gm ls gen iii/iv three-bolt 8 cyl present *see application chart on pages xfi rpm HYDRAULIC ROLLER Very strong torque, good mileage. Noticeable increase over stock cam. HYDRAULIC ROLLER Good torque and very strong mid-range power. Good performance cam. TING OPERATING PART GRIND W/ 1.7 SEP. Hyd. Hyd. 800 to XR259HR Hyd. Hyd to XR265HR HYDRAULIC ROLLER Great mid-range with superior top end power. Needs programmer. HYDRAULIC ROLLER Street/strip camshaft for high rpm power. Likes higher rocker ratios. Must have programmer. HYDRAULIC ROLLER Street/strip camshaft designed for use with FAST LSX intake. Requires programmer. Hyd. Hyd. 100 to XR269HR Hyd. Hyd to XR27HR Hyd. Hyd to XR277HR xfi rpm hi-lift HYDRAULIC ROLLER Great street cam with very wide power range, good drivability and excellent response. Hyd. Hyd to XR265HR HYDRAULIC ROLLER Great street/strip camshaft for mid-range and high rpm power. Must have programmer. Hyd. Hyd to XR275HR HYDRAULIC ROLLER High rpm street/ strip camshaft for use with FAST LSX intake. Requires programmer. xfi xe-r HYDRAULIC ROLLER High rpm street/strip with XE-R lobe designs. Requires custom tuning. Hyd. Hyd to XR281HR Hyd. Hyd to XER27HR HYDRAULIC ROLLER Xtreme Energy XE-R design for standard displacement LS6 and LS1. Race only applications. HYDRAULIC ROLLER Xtreme Energy XE-R design for large cubic inch LS6 and LS1. Race only applications. Hyd. Hyd to XER281HR Hyd. Hyd to XER287HR Lightweight Tool Steel Retainers The COMP Cams Lightweight Tool Steel Retainers offer weight savings that rival titanium but with the durability of steel. % lighter than traditional steel retainers and only 2-4 grams heavier than titanium High-grade Tool Steel with enhanced surface fi nish; provisions for 10 locks Available in a variety of sizes and confi gurations to fi t most popular springs See Page Except as noted, not legal for sale or use on pollution-controlled motor vehicles

2 KITS & COMPONENTS *see application chart on pages gm ls gen iii/iv three-bolt 8 cyl present KT KT KT KT xfi rpm GENERAL MOTORS KT xfi rpm hi-lift KT KT KT xfi xe-r KT KT KT N/A N/A N/A URGENT! In a hurry? COMP Cams can usually deliver in 48 hours. We work hard to provide results for your unique request in a matter of days. Footnotes: Master Footnote Index on page Lifters only, does not include lifter retainers or guides 82 This kit includes hydraulic roller lifters 100 Kit includes 1.8 ratio rocker arms, for 1.7 ratio us Part #1500 RED NUMBERS ARE THE PREMIUM CHOICE

3 CAMSHAFTS CAMSHAFTS gm ls gen iii/iv three-bolt 8 cyl present *see application chart on pages xfi xtreme truck HYDRAULIC ROLLER 4.8L/5.L Chevrolet/GMC truck. Signifi cant gains in mid and upper rpm range. Works best with programmer. HYDRAULIC ROLLER 6.0L Chevrolet/GMC truck. Signifi cant gains in mid and upper rpm range. Works best with programmer. TING OPERATING PART GRIND W/ 1.7 SEP. Hyd. Hyd. 800 to G XFI 260 HR Hyd. Hyd. 800 to G XFI 266 HR HYDRAULIC ROLLER 5.L/6.0L Chevrolet/GMC truck. Signifi cant gains in mid and upper rpm range. Exhaust upgrade needed for best performance. Needs programmer. Hyd. Hyd to G XFI 261 HR tri-power xtreme HYDRAULIC ROLLER Optimized fuel mileage with good torque and horsepower. Needs programmer. Hyd. Hyd. 800 to TPX 246HR HYDRAULIC ROLLER Exceptional torque with good hp and moderate fuel economy. Needs programmer. Hyd. Hyd to TPX 254HR HYDRAULIC ROLLER Optimized hp with good torque and average fuel economy. Programmer required. thumpr HYDRAULIC ROLLER Thumpr High performance street, stock converter ok, best with converter and gears, choppy/thumping idle. Hyd. Hyd to TPX 262HR Hyd. Hyd to THR HYDRAULIC ROLLER Mutha Thumpr High performance street/strip, needs 9:1 compression, stall, intake, gears and headers, rough idle. HYDRAULIC ROLLER Big Mutha Thumpr Street/strip, needs 9.5:1 compression, stall, intake, gears and headers, very rough idle. Hyd. Hyd. 200 to THR Hyd. Hyd to THR Thumpr Cams The wildly popular Thumpr Cams feature specially engineered profi les to provide the perfect combination of an early intake valve opening, long exhaust duration and a generous amount of intake and exhaust overlap to maximize your engine s nasty idling characteristics without negatively impacting streetability. For more information and a complete application listing, visit or see our Thumpr brochure Except as noted, not legal for sale or use on pollution-controlled motor vehicles

4 KITS & COMPONENTS *see application chart on pages GM LS GEN III/IV three-bolt 8 cyl Present KT KT KT RETAINER MATERIAL XFI xtreme truck RETAINER MATERIAL GENERAL MOTORS tri-power xtreme KT KT KT THUMPR KT KT KT Tip See our Classic Thumpr Cam applications, including Flathead Ford and Buick Nailhead, on pages Footnotes: Master Footnote Index on page Stock springs cannot be used 11 Lifters only, does not include lifter retainers or guides 82 This kit includes hydraulic roller lifters RED NUMBERS ARE THE PREMIUM CHOICE 100 Kit includes 1.8 ratio rocker arms, for 1.7 ratio us Part #

5 CAMSHAFTS CAMSHAFTS GM LS GEN III/IV Three-bolt 8 CYL Present *see application chart on pages LS R Cathedral port HYDRAULIC ROLLER Very strong torque and excellent response. Works best in heavy vehicles, low rpm applications. HYDRAULIC ROLLER Excellent torque with a very broad power band. Great for street performance and drivability. (Small Displacement or Max Torque, 4.8L-5.L) TING OPERATING PART GRIND W/ 1.7 SEP. Hyd. Hyd. 100 to Lr HR Hyd. Hyd to Lr HR HYDRAULIC ROLLER Steady power throughout broad range. Needs aftermarket airflow improvements on inlet and exhaust. Hyd. Hyd to Lr HR HYDRAULIC ROLLER Good street/strip camshaft with wide range. Must have substantial airflow upgrades, inlet and exhaust. Hyd. Hyd to Lr HR LS R Cathedral port HYDRAULIC ROLLER Very wide power range and excellent mid-range torque for LS engines with cathedral port cylinder heads. (All Out Power for 5.7L-6.2L) Hyd. Hyd to LR HR HYDRAULIC ROLLER Very strong from mid-range to high end torque and horsepower for LS engines with cathedral port cylinder heads. HYDRAULIC ROLLER Broad top end power range for high rpm, race only LS engines with aftermarket cathedral port cylinder heads and higher compression. Hyd. Hyd to LR HR Hyd. Hyd to LR HR HYDRAULIC ROLLER Excellent top end and high rpm power for race style LS engines with aftermarket cathedral port cylinder heads. LS R Cathedral port HYDRAULIC ROLLER 400+c.i., high rpm applications with major modifications and cathedral port cylinder heads. Hyd. Hyd to LR HR (For Large Displacement Only, 6.2L-7.4L) Hyd. Hyd to LRx HR HYDRAULIC ROLLER 420+c.i., high compression, high rpm, cathedral CNCported heads in race type applications. HYDRAULIC ROLLER 440+c.i., purpose built applications focusing on power above 6000 rpm with cathedral port heads. HYDRAULIC ROLLER All out power for extreme displacement race application engines with cathedral port cylinder heads. Hyd. Hyd to LRx HR Hyd. Hyd to LRx HR Hyd. Hyd. 000 to LRx HR Except as noted, not legal for sale or use on pollution-controlled motor vehicles

6 KITS & COMPONENTS *see application chart on pages GM LS GEN III/IV three-bolt 8 cyl Present KT KT KT KT (Small Displacement or Max Torque, 4.8L-5.L) LS R Cathedral port GENERAL MOTORS (All Out Power for 5.7L-6.2L) LS R Cathedral port KT KT 15 15KT KT 15KT 15KT 15KT 15KT (For Large Displacement Only, 6.2L-7.4L) LS R Cathedral port Footnotes: Master Footnote Index on page Stock springs cannot be used 11 Lifters only, does not include lifter retainers or guides RED NUMBERS ARE THE PREMIUM CHOICE 82 This kit includes hydraulic roller lifters 100 Kit includes 1.8 ratio rocker arms, for 1.7 ratio us Part #

7 CAMSHAFTS CAMSHAFTS GM LS GEN III/IV Three-bolt 8 CYL Present *see application chart on pages LS R rectangular port HYDRAULIC ROLLER-Excellent torque with a very broad power band. Great for street performance and drivability. HYDRAULIC ROLLER-Good street/strip camshaft with very wide range. HYDRAULIC ROLLER Very wide power range and excellent mid-range torque for LS engines with rectangular port cylinder head. HYDRAULIC ROLLER Very strong from mid-range to high end torque and horsepower for LS engines with rectangular port cylinder heads. HYDRAULIC ROLLER Broad top end power range for high rpm, race only LS engines with aftermarket rectangular port heads and higher compression. HYDRAULIC ROLLER Excellent top end and high rpm power for race style LS engines with aftermarket rectangular port cylinder heads. (All Out Power for 5.7L-6.2L) TING OPERATING PART GRIND W/ 1.7 SEP. Hyd. Hyd to LRR HR Hyd. Hyd to LRR HR Hyd. Hyd to LRR HR Hyd. Hyd to LRR HR Hyd. Hyd to LRR HR Hyd. Hyd to LRR HR LS R rectangular port HYDRAULIC ROLLER 400+c.i., high rpm applications with major modifications and rectangular port cylinder heads. HYDRAULIC ROLLER 420+c.i., high compression, high rpm, rectangular CNCported heads in race type applications. HYDRAULIC ROLLER 440+c.i., purpose built applications focusing on power above 6000 rpm with rectangular port heads. HYDRAULIC ROLLER All out power for extreme displacement race application engines with rectangular port cylinder heads. LS R centrifugal blower HYDRAULIC ROLLER Strong mid-range power when used with a centrifugal blower. HYDRAULIC ROLLER Good high rpm power when used with a centrifugal blower. HYDRAULIC ROLLER Best cam for high rpm power in race application when using a centrifugal blower. LS R roots blower HYDRAULIC ROLLER Best in street/strip LS applications equipped with a Roots type supercharger. HYDRAULIC ROLLER Designed for race applications with a Roots blower. Very strong high rpm power. (For Large Displacement Only, 6.2L-7.4L) Hyd. Hyd to LRR HR Hyd. Hyd to LRR HR Hyd. Hyd to LRR HR Hyd. Hyd. 000 to LRR HR Hyd. Hyd to LCB HR Hyd. Hyd to LCB HR Hyd. Hyd. 000 to LCB HR Hyd. Hyd to LRB HR Hyd. Hyd to LRB HR Except as noted, not legal for sale or use on pollution-controlled motor vehicles

8 KITS & COMPONENTS *see application chart on pages GM LS GEN III/IV three-bolt 8 cyl Present KT KT KT KT (All Out Power for 5.7L-6.2L) LS R rectangular port GENERAL MOTORS 15 15KT 15 15KT KT 15KT 15KT 15KT (For Large Displacement Only, 6.2L-7.4L) LS R rectangular port KT KT 15KT LS R centrifugal blower LS R roots blower KT 15KT Footnotes: Master Footnote Index on page Stock springs cannot be used 11 Lifters only, does not include lifter retainers or guides 82 This kit includes hydraulic roller lifters RED NUMBERS ARE THE PREMIUM CHOICE 100 Kit includes 1.8 ratio rocker arms, for 1.7 ratio us Part # Kit includes 1.8 ratio rockers

9 CAMSHAFTS CAMSHAFTS GM LS GEN III/IV Three-bolt 8 CYL Present *see application chart on pages LS R turbo (Remote Mount) TING OPERATING PART GRIND W/ 1.7 SEP. HYDRAULIC ROLLER Good responsiveness and excellent power when used with a remote mount turbo system. HYDRAULIC ROLLER High rpm street/ strip applications using a remote mount turbo system. Hyd. Hyd to LTB HR Hyd. Hyd to LTB HR xfi solid roller Mechanical Roller Camshafts TING OPERATING PART GRIND W/ 1.7 SEP. MECHANICAL ROLLER High performance street, excellent torque and mid-range power. Programmer and valve spring upgrade required. MECHANICAL ROLLER Street/strip, superb mid and upper rpm power. Intake upgrade recommended. Programmer and valve spring upgrade required. MECHANICAL ROLLER High rpm street/ strip camshaft for large cubic inch Gen III applications. Intake upgrade strongly recommended. Programmer and valve spring upgrade required to XFI to XFI278R to XFI286R GM LS gen iv single-bolt w/o vvt 8 cyl Present *see application chart on pages XFI hydraulic Roller Camshafts TING OPERATING PART GRIND W/ 1.7 SEP. HYDRAULIC ROLLER Great street/strip camshaft for mid-range and high rpm power. Must have programmer. Hyd. Hyd to XR275HR HYDRAULIC ROLLER High rpm street/ strip camshaft for use with FAST LSX intake. Requires programmer. LS R (Turbo Remote Mount) HYDRAULIC ROLLER-Good responsiveness and excellent power when used with a remote mount turbo system. Hyd. Hyd to XR281HR Hyd. Hyd to LTB HR HYDRAULIC ROLLER-High rpm street/ strip applications using a remote mount turbo system. Hyd. Hyd to LTB HR Except as noted, not legal for sale or use on pollution-controlled motor vehicles

10 KITS & COMPONENTS *see application chart on pages GM LS GEN III/IV three-bolt 8 cyl Present KT KT (Remote Mount) Mechanical Roller Camshafts LS R turbo xfi solid roller GENERAL MOTORS KT N/A N/A N/A N/A KT N/A N/A N/A N/A KT N/A N/A N/A N/A *see application chart on pages GM LS gen iv single-bolt w/o vvt 8 cyl Present hydraulic Roller Camshafts XFI (Turbo Remote Mount) LS R Footnotes: Master Footnote Index on page Stock springs cannot be used 11 Lifters only, does not include lifter retainers or guides 82 This kit includes hydraulic roller lifters RED NUMBERS ARE THE PREMIUM CHOICE 100 Kit includes 1.8 ratio rocker arms, for 1.7 ratio us Part # Kit includes 1.8 ratio rockers