Clutches
CROWER CLUTCHESSince their inception in 1966, Crower clutches have been regarded as the ultimate solution to high horsepower, high torque, and power to ground control. There is no other clutch available on the market that can harness the extreme power output of a competition engine and control it as accurately and consistently as a genuine Crower clutch. Our ongoing trackside research and development program insures you have the latest and most innovative components available. THE “CROWERGLIDE” The most copied clutch in racing, the original “CROWERGLIDE” incorporates a completely centrifugal design and is totally adjustable. It was the industries first real slipper clutch, which is why it is so prevalent in racing today. Crowerglides are available for a wide variety of applications including: • Truck and Tractor Pulling • Drag Racing • Sand Drags• Monster Trucks• Mud Racing CROWER PEDAL CLUTCHES Unlike the completely centrifugal “CROWERGLIDE”, the Crower pedal clutch offers the conventional style foot control launch combined with centrifugal assistance and static spring adjustment. This highly versatile Crower clutch is available in an assortment of centrifugal lever and static spring combinations to suit the following applications:• Alcohol Dragster & Funny Car • Pro Modified • Comp Eliminator• Sand Dragsters • Truck & Tractor Pulling HOW TO ORDER CROWER CLUTCHES Due to the variety of applications and amount of variables involved in building a clutch that will function properly, we recommend that you contact our Clutch Department Phone: 619-690-7848 / Fax: 619-690-7846 / Email : roger@crower.com Please provide the following information:• Engine make • Application or class of competition• Estimated rpm power range • Transmission spline info (O.D. and number of teeth) PARTS & SERVICE Crower offers complete service and repair on all Crower clutches and Crower products, as well as technical support.
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Holden Mechanical Flat Tappet CamshaftSKU: 56511Holden 253-308 Mechanical Flat Tappet Camshaft (282FDP) Learn More -
Holden Hydraulic Flat Tappet CamshaftSKU: 56506Holden 253-308 Hydraulic Flat Tappet Camshaft Learn More -
Oldsmobile Hydraulic Flat TappetSKU: 56915Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle)
Performance level 2 - Baja Beast - Low to mid-range torque for daily drivability. Economical price.
INT/EXH - Dur @ .050” Lift: 204°/214° RR: 1.6/1.6 Gross Lift: .450”/.474” LSA: 112° RPM: 1500 to 4250 Redline: 4750 Learn More -
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60210Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 3 - Hi-Draulic Hauler - Lope at idle. Hot street/strip cam with strong mid-range power.
INT/EXH - Dur @ .050” Lift: 229°/239° RR: 1.5/1.5 Gross Lift: .480”/.501” LSA: 108° RPM: 2500 to 6500 Redline: 6500 Learn More -
Oldsmobile Hydraulic Flat TappetSKU: 56919Oldsmobile - 260, 307 (5.0L,) 350 (5.7L), 400, 403, 425 & 455 (39° bank angle)
Performance level 4 - Ultra Beast - Upper mid-range to top end power. Emphasis on top end.
INT/EXH - Dur @ .050” Lift: 234°/244° RR: 1.6/1.6 Gross Lift: .520”/.542” LSA: 112° RPM: 2000 to 4800 Redline: 5300 Learn More -
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60211Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Hi-Draulic Hauler - Rough idle. Explosive mid-range power and torque.
INT/EXH - Dur @ .050” Lift: 236°/242° RR: 1.5/1.5 Gross Lift: .509”/.516” LSA: 108° RPM: 3000 to 6500 Redline: 6500 Learn More -
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60240Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 2-3 - Power Compu-Pro - These cams provide excellent low end and mid-range power and extended rpm range for spirited street and offroad driving. A perfect combination of mileage and power. Modifications should include small diameter tube headers, low restriction dual exhaust, aftermarket manifold, increased cfm carburetor and reworked or performance ignition. Increase in compression ratio to 9.5:1 is recommended for maximum output. Works well with automatic transmission or 4-speed.
INT/EXH - Dur @ .050” Lift: 210°/221° RR: 1.5/1.5 Gross Lift: .422”/.446” LSA: 112° RPM: 1300-1500 to 4800 Redline: 5300 Learn More -
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60242Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 3-4 - High Performance Compu-Pro - Intended for the performance oriented hot street application. These cams offer an extended rpm range with emphasis on upper bottom to top end power (strong mid-range). Performance gears, headers, dual exhaust, larger than stock cfm carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Works well with automatic transmission if matched with proper ring and pinion gears and/or high stall converter.
INT/EXH - Dur @ .050” Lift: 221°/229° RR: 1.5/1.5 Gross Lift: .456”/.468” LSA: 112° RPM: 1600-1800 to 6200 Redline: 6500 Learn More -
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60212Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Hi-Draulic Hauler - Rough idle. Violent mid-range acceleration.
INT/EXH - Dur @ .050” Lift: 239°/247° RR: 1.5/1.5 Gross Lift: .497”/.522” LSA: 108° RPM: 3250 to 6500 Redline: 6500 Learn More -
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60213Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Hi-Draulic Hauler - Brutal mid to top end torque and horsepower.
INT/EXH - Dur @ .050” Lift: 248°/256° RR: 1.5/1.5 Gross Lift: .518”/.537” LSA: 108° RPM: 3500 to 6500 Redline: 6500 Learn More