BUICK RIVIERA Pioneer Automotive Engines & Components

Timing Cover, Aluminum, Buick, V6, V8, Each

Part Number: PIO-500231

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Crankshaft Keys, Short Type, 0 degree Offset, Steel, Natural, 0.750 in. Length, Buick, Chevy, Pair

Part Number: PIO-839009

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Today

Cylinder Head Dowel Pins, Chevrolet, GMC, Small Block. Set of 4

Part Number: PIO-S-1110

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Harmonic Balancer Repair Sleeve, Steel, Chevy, Pontiac, L6, V6, V8, Each

Part Number: PIO-HB-4121

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Woodruff Key, Long, .188 in. x 1.375 in., Chevy, Chrysler, Pontiac, Set of 2

Part Number: PIO-839010

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

Timing Cover Fasteners, Ten 1/4 in.-20 x 7/16 in. Bolts with Lock Washers, Natural, Fits Stamped Steel Covers, Chevrolet, V8, Set of 10

Part Number: PIO-S-1105

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Estimated Ship Date: Today

Cylinder Head Fasteners, Replacement, Bolt Style, Hex Head, Steel, Services One Cylinder Head, Buick, Cadillac, Chevy, GMC, Olds, Pontiac, Set of 10

Part Number: PIO-S-350

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Freeze Plug Kit, Brass, Chevy, Pontiac, Buick, GMC, Oldsmobile, V6, Kit

Part Number: PIO-PE-137-BR

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Estimated Ship Date: Feb 16, 2026 if ordered today

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CONN ROD BOLTS

Part Number: PIO-S-1035

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Valve Locks

Part Number: PIO-SS-555-HD

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Timing Pointer, Steel, Natural, Buick, Pontiac, Each

Part Number: PIO-500231-TM

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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ROCKER ARM KIT

Part Number: PIO-RK-346-X

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Estimated Ship Date: Feb 16, 2026 if ordered today

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EXP PLUG KIT

Part Number: PIO-PE-119-B

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OIL PAN

Part Number: PIO-501099

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Estimated Ship Date: Feb 16, 2026 if ordered today

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TIMING COVER - STEEL

Part Number: PIO-500305S

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Estimated Ship Date: Feb 16, 2026 if ordered today

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HARMONIC BALANCER

Part Number: PIO-DA-3523

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Estimated Ship Date: Feb 16, 2026 if ordered today

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VL SPR KIT

Part Number: PIO-S-1052

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Estimated Ship Date: Feb 16, 2026 if ordered today

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EXP PLUG KIT

Part Number: PIO-PE-118-BR

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Valve Spring Retainer Kit

Part Number: PIO-817100

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Head Stud Kit

Part Number: PIO-851001

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Harmonic Balancer, Internal Balance, 6.921 in. Diameter, Nodular Iron, GM, V6, Each

Part Number: PIO-DA-2314

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Estimated Ship Date: Feb 16, 2026 if ordered today

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BR EXP PLUG KIT

Part Number: PIO-PE119BR

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Estimated Ship Date: Feb 16, 2026 if ordered today

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ROCK ARM SHAFT

Part Number: PIO-RS-415

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Harmonic Balancer, Internal Balance, 6.921 in. Diameter, Nodular Iron, Black, Buick, Oldsmobile, Pontiac, V6

Part Number: PIO-DA-2312

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Estimated Ship Date: Feb 16, 2026 if ordered today

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