HIGH-LOAD BEEHIVE® VALVE SPRINGS WITH TITANIUM RETAINERS FOR M-EIGHT FOR HARLEY-DAVIDSON

FEULING OIL PUMP CORP. HIGH-LOAD BEEHIVE®​ VALVE SPRINGS WITH TITANIUM RETAINERS FOR M-EIGHT FOR HARLEY-DAVIDSON VALVE SPRINGS HIGH M8 17+ M-Eight High-Load springs are machined from a premium grade hi-tensile chrome silicon single conical ovate wire, shot-peened with a specially processed thermal heat treat and super NexTex® finish to give these valve springs the needed fatigue life to exceed the high demands of V-Twin engines from stock to performance

Valve springs are a direct bolt-in replacement, no spring seat or rocker cover machining required up to .565" lift

Springs will accommodate over .600 cam lift, but will require spring seat pocket machining on the cylinder heads to set correct spring open height

Smaller lighter weight retainers which drastically reduces the valve weight creating a quicker revving and smoother motion than comparable dual or single valve springs

Eliminate valve spring separation, maximize stability, reduce valve-train noise and harmonics

Packaged as a matched set and must be installed at the correct OPEN HEIGHT

Matching max cam lift to the open height spec of the valve springs is essential for optimal valve-train operation and spring life (see included spring spec chart)

Kit includes: matched set of Feuling® High-Load BeeHive® valve springs, Titanium retainers, machined spring seats, seat shims, valve locks and a set of premium Viton® valve seals equipped with a spring-loaded valve stem wiper system

Bolt in up to 565 lift for M-Eight

Fit up to .600" lift

M-Eight specs: seat lbs./installed height; 151 lbs. at 1.475" (.485" lift), 144 lbs. at 1.498" (.508" lift), 143 lbs. at 1.501" (.511" lift), 140 lbs. at 1.511" (.521" lift), 124 lbs. at 1.562" (.578" lift), 120 lbs. at 1.582" (.592" lift), 304 lbs at .990" open height, coil bind at .945" (cam specs measured on the lifter at .050" lift with 1.61 rocker arm ratio)

Recommended for .540"+ lift camshafts

HIGH-LOAD BEEHIVE®​ VALVE SPRINGS WITH TITANIUM RETAINERS FOR M-EIGHT

NOTE: These springs are ONLY recommended for large lift camshafts like Reaper®​ 592 Cam PART #0925-1265 and RACE style engines as these valve springs have increased load and if used on smaller cams will create extreme rocker arm deflection.