Magnum Double Roller Timing Chain Sets Sets include heat treated, true double roller chains, induction hardened cast iron cam gears and billet steel, three keyway crank sprockets. Part No. Description COM2100 SB Chevy 265-400, 1955-91 COM2136 SB Chevy 305-350, OEM Roller Cam, 1987-90 COM2110 BB Chevy 396-454, 1965-91 COM2103 SB Chrysler 273-360, 1956-88
Hi-Tech Belt Drive Systems Engineered to absorb crankshaft harmon- ics while requiring less power to operate than conventional belt drives. Each application features a belt idler to reduce belt “flap”, a unique cam thrust adjustment system, and a Goodyear drive belt. Part No. Description COM6500 SB Chevy COM6504 SB Chevy/Olds Rocket Block, Raised Cam COM6200 BB Chevy, Std. Cam Location COM6300 BB Chevy, .400" Raised Cam Replacement Components COM6200CRS-1 Lower Crank Seal, For COM6200 Or COM6300 COM6200CS-1 Upper Cam Seal, For COM6200 Or COM6300 COM6200TB2 Timing Belt, 81-Tooth For COM6200 SB Chevy Steel Timing Cover
COM2104 BB Chrysler 383-440, Single Bolt, 1956-79 COM2109 BB Chrysler 383-440, Three Bolt, 1960-73 COM2120 1 SB Ford 255-302, 1965-88 COM2135 2 SB Ford 351W, 1969-84 COM2138 2 SB Ford 302-351W, 1984-92 COM2121 Ford 351C, 351M-400, 1970-82 COM2108 BB Ford “FE” 352-428, 1964-74 COM2110 BB Ford 429-460, 1968-71 COM2112 Pontiac 326-455, 1955-81 COM2113 Oldsmobile 260-455, 1965-83 1: Requires 1-Pc. fuel pump eccentric. 2: Accommodates 2-Pc. fuel pump eccentric.
With Thrust Plate COM208 Timing cover incorporates a welded thrust plate tab that is engineered for use with a cam button, allowing end play adjustment without the need for additional modifications. Black powder coated cover is sold complete with gaskets, front seal and required fasteners.
Hi-Tech Timing Chain Sets Dynamically balanced timing sets are engineered for racing ap- plications, with seamless double roller chains, oversize seamless rollers, and triple index crank gears. Part No. Description COM3100 SBC 265-400, 1955-91 Exc. Factory Roller Cam COM7100 SBC 265-400, Billet Set With Thrust Bearing And 9 Keyways COM3100KT* SBC V8 265-400 With Thrust Bearing COM3158KT GM Gen. III LS2 Adjustable COM3110 BBC 396-454,1965-96 COM3149KT BBC 454 Gen. VI Adj. Timing Chain Set COM3125 Chrysler V8, 426 Hemi, 383-440, 3-bolt gear, 1960-73 COM3104 BB Chrysler “B”/“RB” 383-440, 1956-79 1-Bolt Gear COM3120 † SB Ford V8, 255, 289, 302, Boss 302, 1965-88 COM3138 SB Ford, 302-351W, 1984-92 COM3108 BB Ford 352-428 “FE”, 1964-74 COM3113 Oldsmobile V8, 260-455, 1965-83 COM3112 Pontiac V8, 326-455, 1955-82 * Includes special cam timing system thrust bearing and matched machined steel gears, cam button recommended. † Can be used on late model engines but requires 1-piece fuel pump eccentric. COM3158KT
Fuel Pump Push Rods Required when a roller cam has been installed. Fits small and big block Chevy. Part No. Description COM4607
Lightweight With Bronze Tip For Roller Cams Steel Rod With Roller Tip, Exc. BB Chevy Lightweight With Steel Tip For Cast Iron Cam Rocket Block With Bronze Tip For Roller Cams BB Chrysler 426 Hemi With Bronze Tip For Roller Cam
COM4609 COM4616 COM4620 COM4646
Bronze Distributor Gears A necessity when using a roller camshaft. Gears are high strength, made from Ampco-45 extruded alumi- num bronze to resist wear. Part No. Description COM410 SB And BB Chevy, .500" MSD Distributor COM412 SB And BB Chevy, .491" COM420 Chrysler “A” 273-360 COM424 Chrysler “B” 350-440 And 426 Hemi, .484" COM431 Ford 260-302, Boss 302-351W, .467" COM432 Ford 351C, 351M-400, 429-460, “FE” 352-428 COM451 Pontiac, .491" Carbon Ultra-Poly Composite Distributor Gears Hi-Tech distributor gears are manufac- tured from Carbon Ultra-Poly, a super tough material which solves many of the wear is- sues associated with bronze gears in racing applications. Gears have undergone extensive on-track testing with positive results. Part No. Description COM12140 Chevrolet V8, All With .500" Dia. Shaft COM12200 Chevrolet V8, All With .491" Dia. Shaft COM35100 Ford V8, All With .530" Dia. Shaft COM35200 Ford V8, All With .467" Dia. Shaft
Keyway Adjustable Billet Timing Sets Precision timing sets incorporate induction hardened, precision machined billet steel gears, heat treated double roller chain and 9-keyway crank sprocket. Each set is sold complete with Torrington roller thrust bearing. Part No. Description COM7100 Small Block Chevy 265-400 COM7103 Small Block Chrysler 273-360, Single-Bolt COM7110 Big Block Chevy 396-454 COM7125 Big Block Chrysler 383-440, Three-Bolt Gear, 1960-73 COM7138 Small Block Ford 289-351W, 1965-88
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