GMC ENVOY Summit Racing Parts and Accessories

Harmonic Balancer, Internal Balance, Long Spacing, Steel, Clearcoated, Buick, Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0, Each

Part Number: SUM-C2520

4.62 out of 5 stars ( 50 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Ignition Coils, Coil Pack, Epoxy, Square, Black, LS, V8, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Set of 8

Part Number: SUM-850504B

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Spark Plug Wires, White Ceramic, Spiral Core, 8mm, Black, 135 Degree Boots, GM, Saab, Isuzu, Hummer, Set

Part Number: SUM-881102

4.63 out of 5 stars ( 38 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Ignition Coils, Coil Pack, Epoxy, Square, Red, LS, V8, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Set of 8

Part Number: SUM-850504R

4.44 out of 5 stars ( 27 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Gasket, Gen. 3/4 LS Timing Cover Set with Seal and Oil pump O-Rings, Cork/Rubber, 4.8/5.3/5.7/6.0/6.2L, V8's, Kit

Part Number: SUM-G2628

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chevy, Pontiac, GMC, LS, Each

Part Number: SUM-365-160

4.18 out of 5 stars ( 44 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Alternator, Natural, Stock Replacement, 145/130 amps, Buick, Cadillac, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: SUM-810352

4.68 out of 5 stars ( 22 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Red, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828R

4.46 out of 5 stars ( 103 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Throttle Body, Drive-By-Wire, Billet Aluminum, Black Anodized, 103mm, Chevy, LS, Each

Part Number: SUM-227110B

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Motor Mount, Fabricated, GMT-900, LS Truck, Heavy Duty,Performance, Safety Upgrade, Urethane/Steel, Black powdercoat, Pair

Part Number: SUM-7731112-R1

3.67 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Spark Plug Wires, Black Ceramic, Spiral Core, 8mm, Black, 135 Degree Boots, GM, LS, Set

Part Number: SUM-881111

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Valve Cover Gasket Set, GM, Chevy, GEN III/IV LS, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck, LS1 LS2 LS6 LS3 LS7 LQ4 LQ9 LS9, Pair

Part Number: SUM-G2603

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Spark Plug Wires, Black Ceramic, Spiral Core, 8mm, Black, 135 Degree Boots, GM, Saab, Isuzu, Hummer, Set

Part Number: SUM-881112

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Natural Finish, Includes Bolts, Grommets, Gaskets, Left/Drivers Side, GM LS, Each

Part Number: SUM-440550

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Exhaust Manifold Hardware, Hex Flange, 10.9 Steel, Zinc Plated, Chevrolet, LS, Set of 12

Part Number: SUM-910228

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Starter, Protorque, Mini, Chevy, LS, Each

Part Number: SUM-820320

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Exhaust Manifold and Header Gaskets, Multi-Layer Steel, Round Port, Chevrolet, GM, LS, Includes EGR and Air Injection Gaskets, Set

Part Number: SUM-110445

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Red, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867830R

4.75 out of 5 stars ( 44 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Black Finish, Includes Bolts,Grommets ,Gaskets, Right/Passenger Side, GM LS, Each

Part Number: SUM-440555B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Natural Finish, Includes Bolts, Grommets, Gaskets, Right/Passenger Side, GM LS, Each

Part Number: SUM-440555

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Black Finish, Includes Bolts, Grommets,Gaskets, Left/Drivers Side, GM LS, Each

Part Number: SUM-440550B

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Blue, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867830

4.75 out of 5 stars ( 36 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Spark Plug Wires, Summit Street Series, 8mm, 500 Ohm, Black, 9" Leads, OEM Coil Boots, LS, V8, Set

Part Number: SUM-877828

Not Yet Reviewed

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Thermostat, 187 Degree, WithThermostat Housing, Copper/Brass, Stainless Body, GM, Each

Part Number: SUM-367-187

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

Exhaust Flange, LS Truck Manifold Steel, 2.5 in. Pipe Diameter, Natural, Pair, GM 5.3 6.0 6.2 LQ4 LQ9 LM7

Part Number: SUM-680500

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air