Edelbrock · New
Edelbrock Single-Stage Power Valve Standard Flow 4 5 In Hg
MPN 12645 · Store SKU ede12645
Supplier stock checked 11/7/2026, 3:38:55 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The Edelbrock #12645 Single Stage 4.5 Hg Power Valve operates by using engine vacuum to control the opening and closing rate. During heavy load or under full power situations, they open to supply additional fuel to the main system to eliminate hesitation and bogging, ensuring the smooth delivery of power without any drivability concerns. Edelbrock Single Stage Power Valve, Standard Flow 4.5 in. Hg Standard Flow Single-Stage Power Valve-4.5in. Hg Standard Flow Single-Stage Power Valve - 4.5" Hg Holley®/Demon®/Quick Fuel® Power Valve
Manufacturer fitment & guides
Check 12645 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- California Proposition 65: Y
