Page 371 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

Max Torque Street/Strip Camshafts
High-performance camshafts are ideal for street/strip or bracket racing, with an exceptional balance of horsepower and torque over a broad RPM range.
RPM Duration @ .050" Valve Lift Sep. Valve Lash Valve
Part No. Application Range Int./Exh. Int./Exh. Angle Int./Exh. Lifters Springs
Small Block Chevy 265-400
HRC110991-08 Hydraulic Cam 1700-5700 220°/220° .470"/.470" 108° .000"/.000" HRC91111 HRC98214
HRC112031-08 Hydraulic Cam 3000-6500 232°/232° .480"/.480" 108° .000"/.000" HRC91111 HRC98214
HRC112681-12 Hydraulic Cam 2800-6800 235°/237° .488"/.488" 112° .000"/.000" HRC91111 HRC98214
HRC112681-06 Hydraulic Cam 3000-6800 235°/237° .488"/.488" 106° .000"/.000" HRC91111 HRC98214
HRC111002-08 Solid Cam 3200-6200 244°/244° .510"/.510" 108° .022"/.022" HRC91115 —
HRC111153-06 Roller Cam 2500-6700 246°/250° .582"/.580" 106° .018"/.020" HRC91117 HRC98441
GM LS
HRC197715-10 Hydraulic Roller Cam 2000-7400 226°/236° .525"/.525" 110° .000"/.000" HRC91113 —
Big Block Chevy 396-454
HRC122521-15 Hydraulic Cam 1600-5600 221°/235° .504"/.504" 115° .000"/.000" HRC91111 —
HRC120255-12 Hydraulic Roller Cam 3000-6000 230°/236° .585"/.610" 112° .000"/.000" — HRC98636
HRC120245-12 Hydraulic Roller Cam 1800-5400 225°/231° .567"/.578" 112° .000"/.000" HRC91161 —
HRC120325-10 Hydraulic Roller Cam 2000-5800 229°/235° .589"/.600" 110° .000"/.000" HRC91161 —
HRC120405-12 Hydraulic Roller Cam 2600-6400 235°/241° .618"/.618" 112° .000"/.000" HRC91161 —
HRC122312-10 Solid Cam 2800-6600 250°/256° .595"/.607" 110° .022"/.022" HRC91115 —
HRC121153-10 Roller Cam 2500-6700 248°/255° .660"/.675" 110° .020"/.020" HRC91127 —

Max Effort Racing Camshafts
Computer designed for racing, then dyno and track tested.
RPM Duration @ .050" Valve Lift Sep. Valve Lash Valve
Part No. Application Range Int./Exh. Int./Exh. Angle Int./Exh. Lifters Springs
Small Block Chevy 265-400
HRC114013-06S* Roller Cam 3600-7600 251°/257° .640"/.640" 106° .022"/.022" HRC91117 HRC98441
HRC111163-06 Roller Cam 3800-7800 255°/261° .600"/.620" 106° .022"/.022" HRC91117 HRC98441
HRC111133-06 Roller Cam 4000-7800 257°/267° .600"/.600" 106° .022"/.022" HRC91117 HRC98441
Big Block Chevy 396-454
HRC121123-10 Roller Cam 3500-7200 270°/278° .702"/.702" 110° .025"/.025" HRC91127 —
HRC121033-12 Roller Cam 5200-8200 285°/295° .810"/.765" 112° .022"/.022" HRC91127 —
*Small base circle and 4/7 swap camshaft.

Performance Hydraulic Lifters ProMax Mechanical Roller Lifters
Rockwell tested lifters offer precise oil control for high HRC91198 NEW!
performance and racing use. Sets of 16. Designed for big block Chevy Mark IV and
Part No. Application Gen. V/VI engines, ProMax mechanical roller lifters
HRC91111 Chevrolet V8 265-454 feature “full-time” high-pressure oiling for increased
HRC91112 † Chevrolet V8 265-454, Anti-Pump Up, Increases RPM Capability durability. Lightened, steel alloy bodies with a specially-enhanced finish
HRC91116 Chevrolet V8 265-454, Direct Lube, Street/Strip
HRC91211 Ford V8 221-460, All Exc. “FE” are combined with heat treated stainless steel link bars and case hardened
†Pre-load must be set at .002"-.004" to achieve performance levels. 8620 rollers. Lifters include a .300" taller body to fit early, late model and
aftermarket blocks. Set of 16.
Performance Mechanical Lifters
HRC91115 Maximum Effort Retro-Fit Hydraulic Roller Lifters
Ground crown faces extend lifter life. Rockwell tested. Fit all Popular retro-fit style lifters are CNC-machined and fitted with precision
265-454 Chevrolet V8’s. Sets of 16. internal check ball valving, preventing “pump up” while
extending the usable RPM range. Sold in sets of eight pairs.
“The Original” Direct Lube Part No. Application
Extreme Duty Mechanical Lifters HRC91160 SB Chevy 265-400
HRC91161 BB Chevy 396-454 Mark IV/Gen. 5
A precise EDM cut .021" hole in the face supplies oil to the HRC91774 AMC/Chrysler V8
cam face to increase durability and reduce lobe wear with higher
valve spring pressures and aggressive lobe profiles. Sets of 16. Sportmax Mechanical Roller Lifters
Part No. Application HRC91152
HRC91718 American Motors V8 304-401 Engineered for the sportsman racer, small block Chevy
HRC91118 Chevrolet V8 265-454
HRC91718 Chrysler “A” 273-360; “B”/“RB” 383-440 mechanical roller lifers are manufactured in the USA using
HRC91218 Ford V8 221-460, All Exc. “FE” 8620 heat-treated steel bodies, 9310 steel roller, and
maximum strength bearings. Direct lube pin oilers offer added durability.
Black oxide finished for corrosion protection. Sold in sets of 16.

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