Page 20 of Cams & Valve Trian 2009 by Performance Automotive Warehouse

performance automotive warehouse 818 678-3000 pawengineparts.com comp cams marine camshafts chevy big block 396-454ci 1965-1996 continued com-11-252-4 xtreme marine xm298h hydraulic flat tappet camshaft only 3 lift .575 578 duration 298°/316° 112 lc rpm range 3,200-6,800 jet with b impeller 10.1 comp ratio headers intake race use ford/mercury 221-302ci small block 1963-1995 part no except 1982-95 302ci/5.0l h.o xtreme marine hydraulic flat tappet camshafts continued description cam only price $126.95 154 cams valve train com-31-216-2 marine 260h hydraulic $104.95 flat tappet camshaft only 3 lift .447 447 duration 260°/260° 110 lc rpm range 1,200-5,200 excellent economy pleasure ski fairly smooth idle 9.1 comp ratio com-31-218-2 marine 268h hydraulic $104.95 flat tappet camshaft only 3 lift .456 456 duration 268°/268° 110 lc rpm range 1,500-5,500 best for inboard/outboard noticeable idle 9.1 comp ratio com-31-226-3 marine 280h hydraulic $115.95 flat tappet camshaft only 3 lift .512 512 duration 280°/280° 110 lc rpm range 2,000-6,000 off shore type boat rough idle 9.5 comp ratio ford 429 460 512ci 385 series 1968-97 com-34-232-4 xtreme marine xm262h hydraulic $126.95 flat tappet camshaft only 3 lift .514 524 duration 262°/268° 112 lc rpm range 1,000-5,200 strong low end mid range power smooth idle 9.1 comp ratio com-34-236-4 xtreme marine xm270h hydraulic $126.95 flat tappet camshaft only 3 lift .554 557 duration 270°/286° 112lc rpm range 1,600-5,800 strong mid range power noticeable idle 9.1 comp ratio com-34-241-5 xtreme marine xm278h hydraulic $169.95 flat tappet camshaft only 3 lift .574 576 duration 278°/292° 112 lc rpm range 2,000-6,200 good for jet boats need manifold likes headers 9.5 comp ratio com-34-245-5 xtreme marine xm288h hydraulic $169.95 flat tappet camshaft only 3 lift .580 585 duration 288°/304° 112 lc rpm range 2,200-6,500 good for jet boats need manifold likes headers good for skiing perf use 10.0 comp ratio com-34-254-5 xtreme marine xm298h hydraulic $169.95 flat tappet camshaft only 3 lift .585 588 duration 298°/316° 112 lc rpm range 2,500-6,800 good for jet boat with a b impeller for hp use 10.0 comp ratio big torque cams four wheel drive engines have special needs and requirements that most street performance camshafts just can t properly satisfy xtreme 4x4 cams produce tremendous off-idle torque and throttle response as well as big torque throughout the entire operating range camshaft lifter kits are indicated by a cl in their part number and include camshaft and lifters phone for price complete kits are indicated by a k in their part number and include camshaft lifters timing chain gears valve springs spring retainers spring locks and valve springs phone for price not for efi part no description cam only price chevy 262-400ci small block 1955-1998 com-12-231-2 xtreme 4x4 x4250h hydraulic $109.95 flat tappet camshaft only 3 lift .432 453 duration 250°/258° 111 lc rpm range 600-4,600 strong torque smooth idle excellent mileage com-12-239-3 xtreme 4x4 x4262h hydraulic $115.95 flat tappet camshaft only 3 lift .462 480 duration 262°/270° 111 lc rpm range 1,300-5,600 excellent response good mid-range noticeable idle com-12-243-3 xtreme 4x4 x4270h hydraulic $115.95 flat tappet camshaft only 3 lift .480 498 duration 270°/278° 111 lc rpm range 1,800-6,000 strong mid-range throttle response likes headers gears 2,200 stall 9.1 comp ratio chevy 396-454ci big block 1965-1996 com-11-231-3 xtreme 4x4 x4254h hydraulic $115.95 flat tappet camshaft only 3 lift .505 505 duration 254°/262° 111 lc rpm range 1,000-5,000 good low end and mid-range torque good idle com-11-235-3 xtreme 4x4 x4262h hydraulic $115.95 flat tappet camshaft only 3 lift .505 515 duration 262°/270° 111 lc rpm range 1,400-5,400 great mid-range power largest cam for stock converter good for heavy towing with 4.10 gear com-11-239-3 xtreme 4x4 x4270h hydraulic $115.95 flat tappet camshaft only 3 lift .544 564 duration 270°/278° 111 lc rpm range 1,600-5,800 needs improved intake headers 3.50-3.90 gears 2,000 stall 9.1 comp ratio com-11-243-4 xtreme 4x4 x4278h hydraulic $126.95 flat tappet camshaft only 3 lift .564 570 duration 278°/288° 111 lc rpm range 2,000-6,200 good top end power needs intake gears headers 9.5-1 comp 2,500 stall hydraulic flat tappet camshafts xtreme 4x4 l see page 137 for emission control explanations.

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