Bottom End

• Carburetor and or throttle body work required along with a performance exhaust and intake system • Maintains low end performance with eye-blurring mid and top end power • High-performance valve springs, pushrods and lifters required • 2500-6900+ RPM...

• Aggressive pulling power with a “nasty” sound, the Reaper 521 grind will shine in 114” and larger cubic inch engines with added compression ratio • Ported cylinder heads are not required, but will complement the cam and add even more pulling power...

• Aggressive camshaft requiring high lift and higher load valvesprings, performance pushrods and lifters • High flow air cleaner and triple stepped exhaust pipe highly recommended • Heavy duty pushrods are highly recommended • RPM range 2,850 - 6,250 -...

• A four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two secondary cam gears, outer cam drive gear, outer pinion drive gear and mounting hardware • Due to the inherent characteristics of gear drives, you...

• A four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two secondary cam gears, outer cam drive gear, outer pinion drive gear and mounting hardware • Due to the inherent characteristics of gear drives, you...

• A four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two secondary cam gears, outer cam drive gear, outer pinion drive gear and mounting hardware • Due to the inherent characteristics of gear drives, you...

• A four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two secondary cam gears, outer cam drive gear, outer pinion drive gear and mounting hardware • Due to the inherent characteristics of gear drives, you...

• A four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two secondary cam gears, outer cam drive gear, outer pinion drive gear and mounting hardware • Due to the inherent characteristics of gear drives, you...

• 487 Reaper® Chain Drive Camshaft, Cam Installation Kit, Race Series® Sort Travel Lifters, One Piece Pushrod, Race Series® Oil Pump, High Flow Camplate, and ARP Rocker Studs and Nuts, Camplate/Oil Pump Fasteners are included in this kit • 487 Reaper...

• 487 Reaper® Chain Drive Camshaft, Cam Installation Kit, Race Series® Short Travel Lifters, One Piece Pushrod, Race Series® Oil Pump, High Flow Camplate, and ARP Rocker Studs and Nuts, Camplate/Oil Pump Fasteners are included in this kit • 487 Reaper...

• 487 Reaper® Chain Drive Camshaft, Cam Installation Kit, Race Series® Lifters, One Piece Pushrod, Race Series® Oil Pump, High Flow Camplate, and ARP Rocker Studs and Nuts, Camplate/Oil Pump Fasteners are included in this kit • 487 Reaper Camshaft •...

• 487 Reaper® Chain Drive Camshaft, Cam Installation Kit, Race Series Lifters, One Piece Pushrod, Race Series® Oil Pump, High Flow Camplate, and ARP Rocker Studs and Nuts, Camplate/Oil Pump Fasteners are included in this kit • 487 Reaper Camshaft • Chain...