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AF8005-3139 / AF8005-3139BLK
Hi Flow IAC passages for large cubic inch engines for idle stability
Part Number: AF917-12BLK
Dynamically flow tested in New Zealands
MSD MSD8121 Product:Replacement Pro Mag Cap & Wire Retainer AF8005-3139 / AF8005-3139BLKReplacement Pro Mag Cap & Wire RetainerFits Pro Mag PN MSD8130, MSD8140, MSD8150, MSD8160 Brand: MSD Part Number: MSD8121 Description: Racing produces high winds and severe vibrations which can actually "whip" a plug wire causing it to fall off. With an MSD Wire Retainer this is impossible! These Retainers will securely hold the Pro Mag cap in place while locking the spark plug wires to the terminals.
