Howards Cams 98632 Max Effort Dual 1.500 Valve Spring Set

Howards Cams 98541 Max Effort Dual 1.500 Valve Spring Set

Howards Cams 98441 Max Effort Dual 1.437 Valve Spring Set

Howards Cams 98215 Electro Polished Valve Spring Set

Howards Cams 98529 Performance Single with Damper 1.525 Valve Spring Set

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

Howards Valve Spring Set 98636; Max Effort Dual, 1.514 OD, 130 lbs @ 1.875 in.

Howards Valve Spring Set 98432; Max Effort 135 lbs @ 1.75 in., Dual, 1.437 OD