F.A.S.T. Medium Stacks - 146106 & 146204 Intakes (8 Pack) AN Dust Plug 4 in Element

4 in Element

850 lb/in Spring Rate

Edelbrock Super Victor LS Manifold

460" outer diameter valve springs

Water and heat resistant

F.A.S.T. Medium Stacks - 146106 & 146204 Intakes (8 Pack) AN Dust Plug 4 in ElementProduct Description: Intake Manifold Stack Medium Plastic Black FAST LSXHR Intake Manifold Set of 8 FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications. For over 10 years, FAST has been recognized as the leading developer of advanced electronic fuel injection technology. Our engineers have ignited new sparks never before seen in the EFI