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GMC Vacuum Advances

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D1321AX Professional Series Vacuum Advance - Direct Fit
Part Number: ACD1321AX
Vehicle Info Required to Guarantee Fit
$25.49
Product Details
Product Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional SeriesReplaces OE Number : 19138053
D1313C Professional Series Vacuum Advance - Direct Fit
Part Number: ACD1313C
Vehicle Info Required to Guarantee Fit
$21.49
Product Details
Product Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional SeriesReplaces OE Number : 88924988
D1346C Professional Series Vacuum Advance - Direct Fit
Part Number: ACD1346C
Vehicle Info Required to Guarantee Fit
$27.99
Product Details
Product Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional SeriesReplaces OE Number : 88924970
8463 Vacuum Advance - Direct Fit
Part Number: M468463
Vehicle Info Required to Guarantee Fit
$36.24
Product Details
Notes : This is the replacement canister for MSD distributors equipped with vacuum advance (except the PN M468365 and PN M468362 HEI Distributors)Product Fit : Direct FitWarranty : 1-year MSD limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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Product Questions & Answers

Q:Is this for hideaway headlights or a/c?
Braden
A:BEST ANSWERHi Braden, I'm glad to assist you. No. Under a light load and part throttle conditions, timing can be advanced. This improves throttle response and makes the engine more efficient. It also helps the engine run cooler. The vacuum advance provides this benefit before the Mechanical Advance provides total timing. If confirmed by your mechanic to order. Grab our sale price offer and click the link below to order today. I hope this helps. Happy shopping. https://www.carparts.com/vacuum-advance/ac-delco/acd1346c?can=CPJE1043 Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >