CHEVROLET 5.3L/327 Parts and Accessories

Thermostat, 180 Degree, High-Flow, Copper/Brass, Each

Part Number: MRG-4364

4.11 out of 5 stars ( 114 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Spark Plugs, Shorty, Gasket Seat, 14mm Thread, .375 in. Reach, Projected, Resistor, Set of 8

Part Number: ACC-8197

4.82 out of 5 stars ( 76 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Water Neck, Aluminum, Chrome Plated, O-Ring, 45 Degree, Chevy, Big/Small Block, Each

Part Number: MRG-2661

4.5 out of 5 stars ( 36 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Transmission Bracket, Steel, Natural, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: BMM-35498

4.83 out of 5 stars ( 60 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Ignition Coil, SuperStock, Canister, Round, Oil-Filled, Yellow, 42,000 V, Each

Part Number: ACC-8140

4.89 out of 5 stars ( 53 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Thermostat, 160 Degree, High-Flow, Copper/Brass, Each

Part Number: MRG-4363

4.03 out of 5 stars ( 63 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Cap and Rotor, Maroon, Female/Socket, Stainless Steel Terminals, Clamp-Down, AMC, GM, International, Jeep, V8, Each

Part Number: MSD-8442

4.79 out of 5 stars ( 29 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Transmission Mount, Black, Polyurethane, GM, Jeep, Each

Part Number: HOK-71223029HKR

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Ultra-Seal, Steel Core Laminate, Square Port, Chevy, Small Block, Pair

Part Number: MRG-5901

4.84 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Spark Plugs, Shorty, C-Cut Electrode, Gasket Seat, 14mm Thread .375 in. Reach, Projected, Resistor, Set of 4

Part Number: ACC-0437S-4

4.63 out of 5 stars ( 43 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Head Gasket; Steel Shim; Embossed; Elastomer Coated; 4.1 in. Gasket Bore; 0.02 in. Compressed Thickness, Each

Part Number: MRG-1130G

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Soft Aluminum, Large Round Port, Chevy, Small Block, Pair

Part Number: MRG-7402G

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Soft Aluminum, 1.55 in. x 1.45 in. Port, Chevy, Small Block, Pair

Part Number: MRG-7401G

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Valve Cover Gaskets, Ultra-Seal, Cork/Rubber, Chevy, Small Block, Pair

Part Number: MRG-5861

4.81 out of 5 stars ( 74 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Distributor Cap, GM Window, Female, Socket-Style, Red, Clamp-Down, Pro-Billet, Billet, GM, V8, Each

Part Number: MSD-8437

4.08 out of 5 stars ( 24 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Exhaust Gaskets, Header, Ultra-Seal, Round Port, Chevy, Small Block, Pair

Part Number: MRG-5907

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Gaskets, Intake, Ultra-Seal, Composite, 2.13 in. x 1.25 in. Port, .060 in. Thick, Chevy, Small Block, Set

Part Number: MRG-5821

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Timing Cover, 1-Piece, Steel, Chrome, Chevy, Small Block, Kit

Part Number: MRG-4590

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Gasket, Rubber, Water Outlet, Chevy,Big Block/Small Block, V8, Each

Part Number: MRG-738G

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Oil Pan Gasket, Multi-Piece, Cellulose, Nitrile Composition, Chevy, Small Block, Thick/Thin Seals, Kit

Part Number: MRG-5884

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Clutch Fork Pivot Ball, Adjustable, Steel, Black Oxide, Chevy/Pontiac/Olds, Most Applications, Each

Part Number: LAK-15501

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Water Neck, Chrome Plated, 15 Degree, Chevy, Big/Small Block, Each

Part Number: MRG-2557

4.22 out of 5 stars ( 18 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Ignition Coil, SuperStock, Canister, Round, Oil-Filled, Chrome, 42,000 V, Each

Part Number: ACC-8140C

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Bolts, Intake Manifold, Steel, Black Oxide, Hex Head, Chevy, Mopar, AMC, Set of 12

Part Number: MRG-6080MRG

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arm Nuts, Stamped Steel Rockers, 3/8 in.-24 Thread, .603 in. Outside Diameter, Set of 16

Part Number: MRG-920G

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air