Drag Race Camshafts
Duration In Degrees
Lift With 1.5 Rockers
Lobe Sep. Angle
Valve Setting
Advertised
@.050"
Camshaft Part Number
Application
In.
Ex.
In.
Ex.
In.
Ex.
In.
Ex.
BB Chrysler 361-440 Cu. In.
Solid-440 5000 Stall, 5.13 Gear, 11.0+ Comp., 850+CFM, 5000-7200 RPM Roller - 383 Cu. In., S/ST Or S/G, 12:1 Compression, 5000 Stall, 4000-7000 RPM
.028"
.030" COM23-630-5 Three-Bolt .030" COM23-758-9 A Three-Bolt
324
324
290 290 .650"
.650"
108°
306
306
273 273 .625"
.625"
108°
.028"
SB Ford 289-302 Cu. In., 1963-95 Except 1983-95 5.0L With 1.6 Rockers
With 1.6 Rockers
Solid -4000 Stall, Med./Heavy Cars, 10.5:1 Comp. 3000-7000 RPM
.022"
.022" COM31-640-5 290
304
255 266 .576"
.570"
106°
SB Ford 351W Cu. In. W/1.6 Rockers
With 1.6 Rockers
Roller - 351-377 Cu. In., 12:1 Comp., 4500 Stall, 4200-7200 RPM Roller - 351-377 Cu. In., With 125-150 HP Nitrous, 4800-7500 RPM
298
312
268 275 .696"
.672"
106°
.020"
.022" COM35-780-9 A
308
326
278 286 .696"
.683"
110°
.020"
.022" COM35-781-9 A
BB Ford 429-460 Cu. In. With 1.73 Rockers
With 1.6 Rockers
Roller - 11:1+ Compression, 4500 Stall, Great Power, 3800-6800 RPM
304
312
268 276 .726"
.726"
108°
.028"
.030" COM34-715-9 A
A: Requires bronze distributor gear.
High Energy Rocker Arms High quality stamped steel rocker arms are ideal for mild street/strip applications. Rockers have elongated slots for high lift cams and are sold in sets of 16, with adjust- ing nuts and pivot balls.
High Energy Die-Cast Aluminum Roller Rocker Arms Affordable rocker arms have die-cast aluminum bodies. Needle bearing fulcrums and roller tips reduce friction and decrease oil temperature. Ideal for street or moderate bracket racing. Sets of 16.
Rocker Stud
Rocker Ratio
Part No.
Description
Rocker Stud
Rocker Ratio
COM1212-16 1 COM1211-16 2
SB Chevy 265-400 BB Chevy 396-454
3/8" 7/16"
1.5 1.7
Part No.
Description
COM17001-16 COM17002-16 COM17004-16 COM17005-16 COM17021-16 COM17043-16 COM17044-16 COM17045-16
SB Chevy 265-400 SB Chevy 265-400 SB Chevy 265-400 SB Chevy 265-400 BB Chevy 396-454 SB Ford 289-351W SB Ford 289-351W
3/8" 3/8"
1.5 1.6 1.5 1.6 1.7 1.6
1 Will Not Replace Late Model “Rail” Rocker. 2 Will Not Replace Late Model Pedestal Rocker.
7/16" 7/16" 7/16" 3/8" 7/16" 7/16"
Magnum Roller Rocker Arms Popular with street and strip enthusiasts, Magnum roller rockers have a low friction roller tip to reduce valve tip and guide wear. A stiffer cross section prevents “flex” and increases valve lift (good for 15-30 more horsepower). Available as sets, half sets or singles.
1.73
351C, BB Ford 429-460 1.73 Note: Rocker arms may require taller valve covers, spacers or modifications to existing valve covers for clearance.
Ultra Pro Magnum Roller Rocker Arms Ultra Pro Magnum's strong, rigid web-like design reduces moment of inertia. Made of 8650 chrome moly and finished in black oxide, rocker arms have oversize trunnions, sorted needle bearings and hard- ened roller tips.
Rocker Stud
Rocker Ratio
Part No.
Description
COM1416-16 7 COM1412-16 COM1416-16 8 COM1417-16 11 COM1418-16 11 COM1411-16 6 COM1411-16 7 COM1431-16 9 COM1450-16 9 COM1442-16 10 COM1450-16 9 COM1411-16 7 COM1442-16 7 COM1451-16 COM1452-16
American Motors V8 SB Chevy 265-400 SB Chevy 265-400 SB Chevy 265-400 SB Chevy 265-400 BB Chevy 396-454
3/8" 3/8" 3/8" 3/8" 3/8"
1.6
1.52
1.6
1.52 1.6 1.7 1.6 1.7 1.6 1.6 1.72 1.72 1.52 1.65 1.6
Rocker Stud
Rocker Ratio
7/16" 7/16" 3/8" 3/8" 3/8" 3/8" 3/8" 7/16" 7/16"
Part No.
Description
Ford Boss 302, 351C-400M Ford 289-351W Rail Type 1968-89 Ford 289-351W Rail Type 1968-89 Ford 289-351W Non-Rail 1961-67 Ford 289-351W Non-Rail 1961-67
COM1601-16 COM1602-16 COM1604-16 COM1605-16 COM1620-16 COM1630-16 COM1631-16 COM1632-16 COM1634-16
SB Chevy 265-400 SB Chevy 265-400 SB Chevy 265-400 SB Chevy 265-400
3/8" 3/8"
1.52
1.6
7/16" 7/16"
1.52
1.6
COM1617-16 SB Chevy 305-350, 1988-Up Self-Aligning Rockers 3/8" COM1618-16 SB Chevy 305-350, 1988-Up Self-Aligning Rockers 3/8"
1.52
Ford 289-351W Rail Type 1968-89 3/8" 1.7 7/16"
1.6 1.7 1.7 1.6 1.6 1.6
Oldsmobile V8 260-455 Pontiac V8 265-455 Pontiac V8 265-455
BB Chevy 396-454
7/16" 7/16" 3/8" 7/16" 3/8"
Ford Boss 302, 351C, BB Ford 429-460
SB Ford 289-351W SB Ford 289-351W
6: Use COM4514-16 to replace pedestal. 7: Must use screw-in studs and guide plates. 8: May require cylinder head machine work. 9: For 1978-up use COM4504-16 studs. 10: Can be used with guide plates. 11: For use on 1987-up self-aligning.
SB Ford 289-351W, Self-Aligning Rockers
202
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