Page 204 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

Drag Race Camshafts
Duration In Degrees Lift With Lobe
Valve Setting Camshaft Advertised @.050" 1.5 Rockers Sep.
Application In. Ex. Part Number In. Ex. In. Ex. In. Ex. Angle
BB Chrysler 361-440 Cu. In.
Solid-440 5000 Stall, 5.13 Gear, .028" .030" COM23-630-5 324 324 290 290 .650" .650" 108°
11.0+ Comp., 850+CFM, 5000-7200 RPM Three-Bolt
Roller - 383 Cu. In., S/ST Or S/G, COM23-758-9 A
12:1 Compression, 5000 Stall, 4000-7000 RPM .028" .030" Three-Bolt 306 306 273 273 .625" .625" 108°
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, .022" .022" COM31-640-5 290 304 255 266 .576" .570" 106°
10.5:1 Comp. 3000-7000 RPM
SB Ford 351W Cu. In. W/1.6 Rockers With 1.6 Rockers
Roller - 351-377 Cu. In., 12:1 Comp., A
4500 Stall, 4200-7200 RPM .020" .022" COM35-780-9 298 312 268 275 .696" .672" 106°
Roller - 351-377 Cu. In., .020" .022" COM35-781-9 A 308 326 278 286 .696" .683" 110°
With 125-150 HP Nitrous, 4800-7500 RPM
BB Ford 429-460 Cu. In. With 1.73 Rockers With 1.6 Rockers
Roller - 11:1+ Compression, .028" .030" COM34-715-9 A 304 312 268 276 .726" .726" 108°
4500 Stall, Great Power, 3800-6800 RPM
A: Requires bronze distributor gear.

High Energy Rocker Arms High Energy Die-Cast
High quality stamped steel rocker arms Aluminum Roller Rocker Arms
are ideal for mild street/strip applications. Affordable rocker arms have die-cast
Rockers have elongated slots for high lift aluminum bodies. Needle bearing fulcrums
cams and are sold in sets of 16, with adjust- and roller tips reduce friction and decrease
ing nuts and pivot balls. oil temperature. Ideal for street or moderate
Rocker Rocker bracket racing. Sets of 16.
Part No. Description Stud Ratio
COM1212-16 1 SB Chevy 265-400 3/8" 1.5 Rocker Rocker
Description
Part No.
COM1211-16 2 BB Chevy 396-454 7/16" 1.7 COM17001-16 SB Chevy 265-400 Stud Ratio
1.5
3/8"
1 Will Not Replace Late Model “Rail” Rocker. COM17002-16 SB Chevy 265-400 3/8" 1.6
2 Will Not Replace Late Model Pedestal Rocker.
COM17004-16 SB Chevy 265-400 7/16" 1.5
COM17005-16 SB Chevy 265-400 7/16" 1.6
BB Chevy 396-454
Magnum Roller Rocker Arms COM17021-16 SB Ford 289-351W 7/16" 1.7
COM17043-16
1.6
3/8"
Popular with street and strip enthusiasts, COM17044-16 SB Ford 289-351W 7/16" 1.73
Magnum roller rockers have a low friction roller COM17045-16 351C, BB Ford 429-460 7/16" 1.73
tip to reduce valve tip and guide wear. A stiffer Note: Rocker arms may require taller valve covers, spacers or modifications
cross section prevents “flex” and increases to existing valve covers for clearance.
valve lift (good for 15-30 more horsepower).
Available as sets, half sets or singles. Ultra Pro Magnum Roller Rocker Arms
Rocker Rocker Ultra Pro Magnum's strong, rigid web-like design
Part No. Description Stud Ratio reduces moment of inertia. Made of 8650 chrome
COM1416-16 7 American Motors V8 3/8" 1.6
COM1412-16 SB Chevy 265-400 3/8" 1.52 moly and finished in black oxide, rocker arms have
COM1416-16 8 SB Chevy 265-400 3/8" 1.6 oversize trunnions, sorted needle bearings and hard-
COM1417-16 11 SB Chevy 265-400 3/8" 1.52 ened roller tips.
COM1418-16 11 SB Chevy 265-400 3/8" 1.6 Rocker Rocker
COM1411-16 6 BB Chevy 396-454 7/16" 1.7 Part No. Description Stud Ratio
COM1411-16 7 Ford Boss 302, 351C-400M 7/16" 1.72 COM1601-16 SB Chevy 265-400 3/8" 1.52
COM1431-16 9 Ford 289-351W Rail Type 1968-89 3/8" 1.6 COM1602-16 SB Chevy 265-400 3/8" 1.6
COM1450-16 9 Ford 289-351W Rail Type 1968-89 3/8" 1.7 COM1604-16 SB Chevy 265-400 7/16" 1.52
COM1442-16 10 Ford 289-351W Non-Rail 1961-67 3/8" 1.6 COM1605-16 SB Chevy 265-400 7/16" 1.6
COM1450-16 9 Ford 289-351W Non-Rail 1961-67 3/8" 1.6 COM1617-16 SB Chevy 305-350, 1988-Up Self-Aligning Rockers 3/8" 1.52
COM1411-16 7 Ford 289-351W Rail Type 1968-89 3/8" 1.7 7/16" 1.72 COM1618-16 SB Chevy 305-350, 1988-Up Self-Aligning Rockers 3/8" 1.6
COM1442-16 7 Oldsmobile V8 260-455 3/8" 1.6 COM1620-16 BB Chevy 396-454 7/16" 1.7
COM1451-16 Pontiac V8 265-455 7/16" 1.52 COM1630-16 Ford Boss 302, 351C, BB Ford 429-460 7/16" 1.7
COM1452-16 Pontiac V8 265-455 7/16" 1.65 COM1631-16 SB Ford 289-351W 3/8" 1.6
6: Use COM4514-16 to replace pedestal. COM1632-16 SB Ford 289-351W 7/16" 1.6
7: Must use screw-in studs and guide plates. COM1634-16 SB Ford 289-351W, Self-Aligning Rockers 3/8" 1.6
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.

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