1978 PONTIAC FIREBIRD Engines & Components

Main Bearings, AM-Series, Full Groove, .020 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM020

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: HSN-644040

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Estimated Ship Date: Oct 14, 2025 if ordered today

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

Part Number: HSN-644060

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Estimated Ship Date: Oct 14, 2025 if ordered today

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

Part Number: HSN-644

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Piston, OE Replacement, Hypereutectic Aluminum, Flat Top, 4.060 in. Bore, Chevy, Small Block, Each

Part Number: MAH-S2243547060

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Estimated Ship Date: Oct 30, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855019

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Harmonic Balancer, Internal Balance, 6.790 in. Diameter, Nodular Iron, Pontiac, V8, Each

Part Number: PIO-DA4551

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Harmonic Balancer, Nodular Iron, Black, 6.120 in. o.d., Chevy, GMC, Pontiac, Each

Part Number: RNB-594-142

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M644

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Oil Pickup, Bolt-In, Street/Strip Pan Style, 6.500 in. Pan Depth, GM, V8, Small Block, LS, Each

Part Number: HAM-2525

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Estimated Ship Date: Tomorrow

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

Part Number: HSN-4454030

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Estimated Ship Date: Oct 14, 2025 if ordered today

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

Part Number: HSN-644010

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Main Bolt Kit

Part Number: PIO-855201

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5499

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Main Bearings, AM-Series, Full Groove, Standard Size, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403, Set of 5

Part Number: KGB-MB5514AM

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 26, 2025 if ordered today

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Main Bearings, AM-Series, Full Groove, .010 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM010

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Main Bolt Kit

Part Number: PIO-855200

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Estimated Ship Date: Oct 16, 2025 if ordered today

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ROCKER ARMS, STAMPED STEEL, CHEV 265-400, 1955-86, 1.5 x 3/8", Long Slot, Nitro-Carburized

Part Number: PQX-6028315

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Estimated Ship Date: Tomorrow

Rocker Arms, Stud Mount, Non-roller, Stamped Steel, Nitro Carb, 1.6 Ratio, Fits 3/8 in. Stud, Long Slot, Chevy, Small Block, Set of 16

Part Number: PQX-6028316

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Estimated Ship Date: Tomorrow

Main Bearings, AM-Series, Full Groove, .030 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403

Part Number: KGB-MB5514AM030

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C5474010

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Engine Piston Ring Set, 6-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C5474020

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Estimated Ship Date: Oct 14, 2025 if ordered today

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

Part Number: HSN-2C5499020

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Estimated Ship Date: Oct 14, 2025 if ordered today

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

Part Number: HSN-2C5499030

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Estimated Ship Date: Oct 14, 2025 if ordered today

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

Part Number: HSN-2C5499040

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Estimated Ship Date: Oct 14, 2025 if ordered today

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