September 13, 2024
Comments Off
Posted in: howards
Howards Valve Spring Set 98633; Max Effort 486 lbs/in Dual Spring 1.557 OD. Engine Valve Spring Set Model or Series: Max Effort Number Of Coils: Dual Spring Damper Spring: Yes Overall Diameter: 1.557 in. Inside Diameter: 0.731 in. Spring Height: 1.950 in. Seat Pressure: 224 lbs at 1.900 in. Open Pressure: 540 lbs at 1.250 […]
September 6, 2024
Comments Off
Posted in: howards
Dual, 1.437 OD. Engine Valve Spring Set Model or Series: Max Effort Number Of Coils: Dual Spring Damper Spring: No Overall Diameter: 1.437 in. Inside Diameter: 0.810 in. Spring Height: 1.750 in. Seat Pressure: 145 lbs at 1.750 in. Open Pressure: 315 lbs at 1.150 in. Coil Bind: 1.025 in. : 283 lbs/in Max Lift: […]
March 29, 2024
Comments Off
Posted in: howards
Fitment and Product Information. Howard and his wife retired in 1965 and turned the business over to his oldest son, Jerry, who ran the company until 1985. Jerry was considered one of the top engine turners of his day, and along with Don Madden, ran a series of “Howards Cams Rattler” and “Howards Cams Special” […]