Butler Performance Inc. - Valve Springs and Spring Kits

Valvetrain Components - Valve Springs and Spring Kits

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Valvetrain Components - Valve Springs and Spring Kits - Stock Cast Iron Heads
Butler recommended valves- Pontiac Cast Iron Heads (non RAIV/SD) has an install height of 1.600" with stock length valves. More Details »
Valvetrain Components - Valve Springs and Spring Kits - Edelbrock/RAIV/SD Heads
Butler recommended- Pontiac Edelbrock and RAIV/SD Heads have an install height of 1.800" with stock length valves. More Details »