1978 PONTIAC BONNEVILLE Engines & Components

Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K30

4.4 out of 5 stars ( 47 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K

4.2 out of 5 stars ( 45 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Cylinder Head, Performer RPM, Aluminum, Assembled, 72cc Chamber, 215cc Intake Runner, Pontiac, 389-455, Each

Part Number: EDL-60599

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K40

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139030

4.64 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.52 Ratio, Fits 7/16 in. Stud, Pontiac, Pontiac V8, Set of 16

Part Number: PQX-0245501

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Oil Pump, High-Volume, Oldsmobile, V8, Each

Part Number: MEL-M22FHV

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Oil Pump, Standard-Volume, Pontiac, V8, Each

Part Number: MEL-M54DS

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Piston Rings, Moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K60

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Lifter, Hydraulic Flat Tappet, 0.840 in. O.D., Each

Part Number: ADO-HL77A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Timing Cover, One-piece, Aluminum, Natural, Pontiac, Each

Part Number: PIO-500-455

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Cast Iron, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Oil Pump, Standard-volume, High-pressure, Pontiac, 389-455, Each

Part Number: MEL-10541

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Coupling, Quick-Drain Oil Pan, Gasket, Full Flow Female Half, Fits All Thread Sizes, Each

Part Number: AER-FBM3117

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Adapter, Remote Oil Filter, Bolt-On, Billet Aluminum, Anodized Black, -10 AN Inlet/Outlet, Each

Part Number: EAR-1579ERL

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, Various Engine Threads, Kit

Part Number: DER-15748

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139

3.55 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Oil Filter, Replacement, Each

Part Number: WIX-51258

5.0 out of 5 stars ( 28 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Lifter, Hydraulic Flat Tappet, Each

Part Number: MEL-JB-969

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Cylinder Head, Performer, Aluminum, Assembled, 87cc Chamber, 215cc Intake Runner, Pontiac, 389-455, Each

Part Number: EDL-60575

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP030

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Oil Filter Relocation, Aluminum, Natural, Kit

Part Number: HDA-291

3.63 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Harmonic Balancer, Race Performance, Buick, Oldsmobile, Pontiac, 350, 400, 428, 455, Each

Part Number: PBB-PB1056SS

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Oil Filter, Performance Gold, Canister, 4.60 in. Tall, 3.77 in. Diameter, 13/16 in.-16 Thread, Anti-Drainback, Spin-On, Each

Part Number: KNN-HP-2003

4.42 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air