Howards Cams 98541 Max Effort Dual 1.500 Valve Spring Set

Howards Valve Spring Set 98511; Performance Single, 1.485 OD, 115 lbs @ 1.8 in.

Howards Valve Spring Set 98541; Max Effort 475 lbs/in Dual Spring 1.500" OD

Howards Valve Spring Set 98632; Max Effort Dual, 1.5 in. OD, 145 lbs @ 1.94 in.

Howards Valve Spring Set 98215; Max Effort 120lbs @ 1.8 in. Single, 1.265 in. OD

Howards Valve Spring Set 98213; Performance 120 lbs @ 1.8 in. Single, 1.265 OD

Howards Valve Spring Set 98443; Max Effort 145 lbs @ 1.880 in., Dual, 1.440 OD

Howards Valve Spring Set 98111; Performance 90 lbs @ 1.7 in. Single 1.24 in. OD