For Max Effort Dual Valve Springs; 1.437 Howards Cams 98441

Howards Racing Components 98441 Dual Valve Springs - 1.437

Howards Cams Max Effort Mechanical Roller Valve Spring 98441

Howards for Max Effort Dual Valve Springs 1.437 98441

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Howards Valve Spring Set 98441; Max Effort Dual 175 lbs @ 1.750 in., 1.437 OD

Howards Cams 98441 Max Effort Mechanical Roller Dual Valve Spring Set OD: 1.437

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