1966 GMC | Summit Racing

Cometic MLS Head Gaskets C5405-051

Cometic MLS Head Gaskets C5405-051

Head Gasket, MLS, 4.125 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5405-051

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5406-051

Head Gasket, MLS, 4.135 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5406-051

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5403-030

Head Gasket, MLS, 4.200 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5403-030

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5271-040

Head Gasket, MLS, 4.125 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5271-040

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2C660060

Engine Piston Ring Set, 8-Cyl Ring Set; Chrome

Part Number: HSN-2C660060

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Auto Metal Direct Main Floor Pan Supports 425-4060-R

Floor Panel Braces, Auto Metal Direct Main Floor Pan Supports, Steel, Black EDP Coated, Center Passenger Side, Chevy, GMC, Each

Part Number: AMD-425-4060-R

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

SCE Pro Copper Annealed Exhaust Gaskets E11186

Exhaust Manifold Gasket, Pro Copper Annealed, Round Port, Copper, Chevy, Small Block, Pair

Part Number: SCE-E11186

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

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Estimated Ship Date: Jun 5, 2026 if ordered today

SCE Pro Copper Head Gaskets P111562NW

Head Gasket, Copper, 4.160 in. Bore, 0.062 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P111562NW

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Brothers Trucks Moldings FSM0800

Body Moldings, Aluminum, Polished, Truck Bed Side Molding Position, Fits Lower Left or Right Side On Short Bed Fleetside Models Only, Chevy, GMC, Each

Part Number: HCT-FSM0800

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

SCE Gaskets Water Neck Gaskets and O-Rings 11108B

ACCU SEAL PRO WO GSK, THERMOSTAT HOUSING SBC/BBC PONTIAC V8 GSKT BULK 100 PC

Part Number: SCE-11108B

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Allied 20 Series Galvanized 8-Spoke Trailer Wheels 15x6

Wheel, 20 Series, 15 in. x 6 in., 6 x 5.50 in. Bolt Pattern, Steel, Galvanized, Natural, 0.00mm Offset, 108.97mm Center Bore, Each

Part Number: ALE-2056060-GAL

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

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Estimated Ship Date: Jul 20, 2026 if ordered today

Auto Metal Direct Truck Bed Repair Panels 725-4060-8L

Truck Bed Repair Panel, Steel, Black EDP Coated, Bedside Patch, Driver Side Lower Front, Chevy, GMC, Each

Part Number: AMD-725-4060-8L

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

SCE AccuSeal Pro Valve Cover Gaskets 211275

Valve Cover Gaskets, AccuSeal Pro, Laminated High-Temperature Silicone/Cork, SB2.2 model block, Dart-Buick Cylinder Head, Pair

Part Number: SCE-211275

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Fel-Pro PermaDry Marine Oil Pan Gaskets 17971

Oil Pan Gaskets, PermaDry, Marine, Rubber, GMC, 292, Set

Part Number: FEL-17971

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M668030

Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M668030

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Silv-O-Lite Cast Pistons S3485.STD

Piston, Cast, Flat, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S3485-STD

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

Call to Order

Enginetech Main Bearings BC319J030

Engine Crankshaft Main Bearing Set 55-67 CHV/GMC/PON 4.3L/4.6L/5.3L

Part Number: EGN-BC319J030

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

OER Authorized Door Window Glass FT6466T

Window Glass, Door, Tinted Green, Chevy, GMC, Pickup, Each

Part Number: OER-FT6466T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 3, 2026 if ordered today

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Estimated Ship Date: Aug 3, 2026 if ordered today

Tuff Stuff Performance Alternator Chrome Case Kits 7500B

Alternator Case, Chrome, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: TFF-7500B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 22, 2026 if ordered today

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Estimated Ship Date: Jul 22, 2026 if ordered today

Cometic Head Gaskets C5270-023

.023" MLS VALVE POCKETED BORES

Part Number: CGT-C5270-023

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic Head Gaskets C5215-030

.030" MLS H/G 4.270" BORE

Part Number: CGT-C5215-030

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic Head Gaskets C5273-023

.023" MLS VALVE POCKETED BORES

Part Number: CGT-C5273-023

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5215-045

MLS Head Gasket, .045-in. MLS H/G 4.270-in. BORE, GM DART/BRODIX 4.500-in. BC BLOCK

Part Number: CGT-C5215-045

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Brothers Trucks Hood Hinges HNG66RH

Hood Hinges, Stock Replacement Style, Steel, Black, Right Side, Chevrolet, GMC, Each

Part Number: HCT-HNG66RH

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

Brothers Trucks Side View Mirror Components OMR6CRH

60-66 OUTSIDE MIRROR ARM - STAINLESS

Part Number: HCT-OMR6CRH

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

1966 GMC Parts and Accessories