MERCURY COUGAR Engine Blocks & Accessories

Freeze Plugs, Steel, Set of 10

Part Number: RNB-555-025

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Expansion Plugs, Steel, Ford, Lincoln, Mercury, Kit

Part Number: RNB-557-009

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Engine Expansion/Freeze Plugs, Brass, with (6) MPC-30B, (1) MPS-175, (3) MPP-554, and (2) MPP-639, Ford, Lincoln, Mercury, V8, Kit

Part Number: MEL-MPE-609BR

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plugs, Steel, 1.765 in. Diameter, Set of 10

Part Number: RNB-555-036

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, Ford, Mercury, Kit

Part Number: MEL-MPE-110R

Not Yet Reviewed

Estimated Ship Date: Today

MAIN GIRDLE, BILLET STEEL, FORD 460, incl PRW fasteners & hdwe

Part Number: PQX-9046000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Expansion Plugs, Steel, Ford, Mercury, Set of 10

Part Number: RNB-555-084

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Estimated Ship Date: Today

Expansion Plugs, Steel, Diameter 1.513 in., Various, Each

Part Number: RNB-555-077

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Estimated Ship Date: Today

Freeze Plugs, Steel, Ford, 289, 302, 351W, Kit

Part Number: PIO-PE108R

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Freeze Plug Kit, Brass, Ford, Kit

Part Number: PIO-830005

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

FORD 351W, Stud Kit, Main Girdle, Includes 10ea, 1/2" Longer Studs, 1/2" - 13/20 x 5.00" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000205

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

• Drop Ship
• Special Order

Engine Expansion Plugs, Pipe Plugs, Ford, Kit

Part Number: RNB-02663

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Expansion Plugs, Steel, Diameter 2.162 in., Various, Pack of 10

Part Number: RNB-555-070

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Estimated Ship Date: Today

FORD 302 Main Girdle Stud Kit, 4135 ChromolyPRW Steel Studs, Includes 10ea 1/2" Longer Studs, 7/16"-14/20 x 4.80" Studs, Nuts & Washers.

Part Number: PQX-1000202

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

• Drop Ship
• Special Order

Engine Expansion Plugs, Steel, 0.518 in. O.D., 0.380 in. Height, Ford, Mercury, Set of 10

Part Number: RNB-555-074

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

• Special Order

EXP PLUG KIT

Part Number: PIO-PE-108

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Special Order

Expansion Plugs, Steel, Diameter 1.580 in., Various, Each

Part Number: RNB-555-029

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

• Special Order

Engine Expansion Plug, Steel, AMC, Buick, Cadillac, Chevy, Ford, GMC, Jeep, Mercury, Oldsmobile, Each

Part Number: RNB-555-028-1

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Special Order

Freeze Plug Kit, Brass, Ford, Kit

Part Number: PIO-830004

Not Yet Reviewed

Estimated Ship Date: Today

Expansion Plugs, Steel, Diameter 2.074 in., Various, Each

Part Number: RNB-555-073

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Special Order

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-280BR

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Special Order

Expansion Plugs, Steel, Diameter 2.208 in., Various, Each

Part Number: RNB-555-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

• Special Order

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-280R

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Special Order

BR EXP PLUG KIT

Part Number: PIO-PE-105-B

Not Yet Reviewed

Estimated Ship Date: Today

Expansion Plugs, Steel, Ford, Lincoln, Mercury, Kit

Part Number: RNB-02653

Not Yet Reviewed

Estimated Ship Date: Today