1991 Parts and Accessories

Spark Plugs, Shorty, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Set of 4

Part Number: ACC-0576S-4

4.78 out of 5 stars ( 125 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Motor Mounts, FramePad, Bolt-In, Steel, Black Powdercoated, GM, Each

Part Number: HOK-71221004HKR

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: MRG-4364

4.11 out of 5 stars ( 114 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plugs, Shorty, Tapered Seat, 14mm Thread, .460 in. Reach, Projected, Resistor, Set of 8

Part Number: ACC-8198

4.82 out of 5 stars ( 28 )

Estimated Ship Date: Monday 3/2/2026 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 3/2/2026 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 3/2/2026 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 3/2/2026 if shipped by air

Motor Mounts and Inserts, Blackheart Engine Mount Inserts, Insert Style, Bolt-in, Polyurethane, Black, Buick, Cadillac, Chevy, GMC, Oldsmobile, Each

Part Number: HOK-71221014HKR

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/2/2026 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 3/2/2026 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 3/2/2026 if shipped by air

Spark Plug, Double Platinum, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: ACC-P526S

4.46 out of 5 stars ( 28 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug, Shorty, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Set of 4

Part Number: ACC-0574S-4

4.56 out of 5 stars ( 25 )

Estimated Ship Date: Monday 3/2/2026 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 3/2/2026 if shipped by air

Cap and Rotor, Red, Male/HEI, Stainless Steel Terminals, Screw-Down, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac V8

Part Number: MSD-8406

4.45 out of 5 stars ( 38 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Thermostat Housing, Aluminum, Natural, Gasket Seal, Ford, 289,.302, Each

Part Number: SDK-C5OE-8592-A

4.3 out of 5 stars ( 54 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Water Neck Gasket, Molded Silicone, Ford, 5.0L, 5.8L, Each

Part Number: MRG-737G

3.64 out of 5 stars ( 22 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Flexplate Bolts, 7/16 in.- 20 RH, .680 in. Length, Chevy, Big, Small Block V8, 4.3L V6, Set of 6

Part Number: MRG-6710

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 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 3/2/2026 if shipped by air

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

Part Number: MRG-5912

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plugs, Performance Plug, Gasket Seat, 14mm Thread .750 in. Reach, Projected, Resistor, Set of 4

Part Number: ACC-0786-4

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Exhaust Gaskets, Header, Ultra-Seal, Stock Port, Ford, Small Block, Pair

Part Number: MRG-5930

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/2/2026 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 3/2/2026 if shipped by air

Water Neck, Steel, Chrome Plated, O-Ring, 45 Degree, Ford, 260-302/351W, Each

Part Number: MRG-2662

3.96 out of 5 stars ( 27 )

Estimated Ship Date: Monday 3/2/2026 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 3/2/2026 if shipped by air

Exhaust Gaskets, Header, Steel Core Composite, Square Stock Port, SBC, Chevy, V8, Pair

Part Number: HOK-10808HKR

5.0 out of 5 stars ( 21 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air