Availability
1991 Parts and Accessories
Thermostat, 180 Degrees F, Stainless Steel, Each
Part Number: SNN-240-180
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Black, 90 Degree Boots, Chevy, 5.0/5.7L, Set
Part Number: MSD-31833
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
This product may not be eligible for select promotional offers
Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit
Part Number: RAM-50-2120N
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Lifter, Sportsman, Mechanical Roller, 0.904 in. O.D., Chevy, Big Block, Bronze Bushing Axle, Set of 16
Part Number: CCA-96998B-16
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
This product may not be eligible for select promotional offers
Fuel Tank Cap, OE Replacement, Plastic, Black, Chevy, Pontiac, Each
Part Number: SNN-MGC822
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Sound Deadener/Heat Barrier, Trunk, Adhesive Installation, 550 Degrees F Max Temp, Kit
Part Number: HUT-612784
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Summit Precision High-Tensile Tri-Metal Alloy Racing Rod Bearings, 1990+ Buick Holden 3.8L V6 .001 undersize (thicker), set
Part Number: SUM-2306H001
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Counterweight, Harmonic Balancer, Bolt-On, 50 oz. External Balance, Ford, Small Block, V8, Each
Part Number: PFS-91007
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Sound Deadener/Heat Barrier, Firewall, Adhesive Installation, 550 Degrees F Max Temp, Kit
Part Number: HUT-629052
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set
Part Number: YGA-24494
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.560 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8
Part Number: JEP-170668-8
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8
Part Number: JEP-243316-8
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
JE Pistons Big Duke/Big Chief GP 18-Degree Pistons 243316S
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Shim, Flexplate/Flywheel, 0.036 in. Thickness, Ford, Small Block, Each
Part Number: FCN-62322
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
.030" MLS HEAD GASKET
Part Number: CGT-C5741-030
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Head Gasket, MLS, 4.670 in. Bore, .051 in. Compressed Thickness, Ford, Lincoln, Mercury, Each
Part Number: CGT-C5668-051
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Head Gasket, MLS, 4.155 in. Bore, .040 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5741-040
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Head Gasket, 4.180 in. Bore, .051 in. Compressed Thickness, Ford, Man-O-War Block, Each
Part Number: CGT-C5135-051
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Head Gasket, MLS, 4.400 in. Bore, .051 in. Compressed Thickness, Ford, Each
Part Number: CGT-C5666-051
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Thermostat, 195 Degrees F, Stainless Steel, Each
Part Number: SNN-206-195
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Gasket, Timing Cover, Fiber, Ford, V8, Each
Part Number: CGT-C5276-031
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, Ford, Each
Part Number: EDL-9778
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
This product may not be eligible for select promotional offers
.036" MLS 396,402,427,454
Part Number: CGT-C5332-036
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Sound Deadener/Heat Barrier, Floor Pan, Adhesive Installation, 550 Degrees F Max Temp, Kit
Part Number: HUT-612781
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Fuel Tank Cap, Locking, Plastic, Green, Chevy, Dodge, Ford, GMC, Volkswagen, Each
Part Number: SNN-MGC591
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Oil Pickup, Press Fit, 8 in. Depth, 0.750 in. Diameter Tube, Chevy, Small Block, Each
Part Number: CHP-1004SB
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster