Edelbrock Performer Series Intake Manifold Bolt Kit - BB Chevy 91929959 has two independent pressure adjustments:

has two independent pressure adjustments: one for idle and one for wide open throttle

Ideal for carbureted power plants not using a separate fuel pressure regulator

Subtract 18-1/2" from center-to-center of the chassis mounting distance to determine required tube length

Added durability and heat retention NOTE: Design Engineering HT Silicone Coating spray is highly recommended for DEI glass fiber weap to penetrate

100% Bolt-On System Includes All Required Mounting Hardware and Split Lock Collars for Positive Bar Positioning

Edelbrock Performer Series Intake Manifold Bolt Kit - BB Chevy 91929959 has two independent pressure adjustments:Designed specifically for Edelbrock manifolds, these bolt kits feature reduced hex heads for easy wrench access. Features include cadmium finished steel bolt and hardened washers. 8564, Edelbrock, intake bolts, bolts, manifold bolts, bolt and washer kit, hardened washers, cadmium finish, Chevy, Big block Chevy, 396 502, 12 point bolt head, 2161, 21611, 21613, 21614, 7161, 71611, 71614, 7163, 71631, 7164, 71641, 2561, 7561, 75611, 75613, 75614, 7562,