
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.
-
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60241Pontiac 287-455 Compu-Pro Hydraulic Flat Tappet Camshaft (276-HDP) Learn More -
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60244Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Ultra-Performance Compu-Pro - The following grinds are best suited for dual purpose hot street/drag strip situations. These cams exhibit strong mid-range and top end torque and horsepower. Headers, dual exhaust, larger cfm carburetor, performance ignition and 11:1 compression are a must. Cylinder head modifications would be beneficial. Use with standard transmission or automatic with high stall converter. Low gearing a must.
INT/EXH - Dur @ .050” Lift: 239°/241° RR: 1.5/1.5 Gross Lift: .500”/.500” LSA: 112° RPM: 2000-2200 to 6200 Redline: 6500 Learn More -
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60243Pontiac - 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: 228°/235° RR: 1.5/1.5 Gross Lift: .479”/.494” LSA: 112° RPM: 1600-1800 to 6200 Redline: 6500 Learn More -
Pontiac Hydraulic Flat Tappet CamshaftSKU: 60245Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455 Performance level 4 - High Performance Compu-Pro - Dual purpose street/trip profile. Strong mid to top end power. INT/EXH - Dur @ .050” Lift: 248°/253° RR: 1.5/1.5 Gross Lift: .512”/.524” LSA: 112° RPM: 2000 to 6200 Redline: 7000 Learn More -
Pontiac Mechanical Flat Tappet CamshaftSKU: 60310Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 3 - Pro-Street - High revving, super mid to top end power grind.
INT/EXH - Dur @ .050” Lift: 240°/248° RR: 1.5/1.5 Gross Lift: .477”/.501” LSA: 112° RPM: 2800 to 6000 Redline: 6500 Learn More -
Pontiac Mechanical Flat Tappet CamshaftSKU: 60353Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Compu-Pro - High revving, superior upper bottom profile with emphasis on mid to top end power.
INT/EXH - Dur @ .050” Lift: 255°/262° RR: 1.5/1.5 Gross Lift: .527”/.546” LSA: 108° RPM: 4500 to 7500 Redline: 8000 Learn More -
Pontiac Mechanical Flat Tappet CamshaftSKU: 60311Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Pro-Street - Super upper mid-range and top end power profile.
INT/EXH - Dur @ .050” Lift: 247°/252° RR: 1.5/1.5 Gross Lift: .505”/.517” LSA: 112° RPM: 3000 to 6500 Redline: 7000 Learn More -
Pontiac Mechanical Roller CamshaftSKU: 60451Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 5 - Ultra-Action - Radical mid-range cam, shifts at 6500 rpm with a redline of 7000.
INT/EXH - Dur @ .050” Lift: 247°/254° RR: 1.5/1.5 Gross Lift: .582”/.567” LSA: 108° RPM: 4000 to 7000 Redline: 7500 Learn More -
Pontiac Mechanical Roller CamshaftSKU: 60450Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 5 - Ultra-Action - All range camshaft for heavy car, high stall with compression and headers.
INT/EXH - Dur @ .050” Lift: 233°/242° RR: 1.5/1.5 Gross Lift: .495”/.496” LSA: 112° RPM: 3000 to 6500 Redline: 7000 Learn More -
Pontiac Mechanical Flat Tappet CamshaftSKU: 60354Pontiac 287-455 Compu-Pro Mechanical Flat Tappet Camshaft (312-FDP) Learn More