PONTIAC 6.6L/400 Engines & Components

Valves, Exhaust, Race, Stainless Steel, 1.77 in. Dia, Pontiac, 1968-70, 326, 350, 389, 400, 421, 455, Set of 8

Part Number: MIL-45485-8

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Estimated Ship Date: Feb 5, 2026 if ordered today

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-7cc Flat Top Pontiac Late Forged 4032

Part Number: DMS-K161004125C

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Piston Set, 453 Late Pontiac K1-FX Series -7cc Late Flat Top Piston Set. 4.180 bore

Part Number: DMS-K1-6130-4180

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Main Bearings, SI-Series, Full Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Set of 5

Part Number: KGB-MB5504SI030

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Lifters, Solid Roller, Severe Duty, Pontiac, 455, All Straight, Set of 16

Part Number: CRO-66294-16

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Piston and Ring Kit, Powerpack, Flat Top, Forged Aluminum, 4.155 in. Bore, 4.250 in. Stroke, Pontiac, Set of 8

Part Number: MLE-930275055

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Connecting Rods, 4340, H-Beam, 12-Point, Cap Screw, 6.625 in. Length, Pontiac V8, 6.6/7.0/7.5L, Set of 8

Part Number: SCA-66625A

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Rod Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND011

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Estimated Ship Date: Today

Pistons, Forged, Flat, 4.180 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Pontiac, V8, Set of 8

Part Number: UEM-IC890-060

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Cylinder Head Dowel Pin, 0.313 Outside Diameter, 0.565 in. Height, Each

Part Number: DUR-AD-927-P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

400 ci V8Tri-Metal - .25mm (.010") undersize

Part Number: PEB-5M1038H-10

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Rocker Arm Pivot Balls, Pontiac, Each

Part Number: MEL-MRM-1782

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Estimated Ship Date: Today

Rocker Arms, Pedestal-Shaft Style, Full Roller, Aluminum, 1.60 Ratio, Brodix Track 1 Heads, Kit

Part Number: PQX-3535037

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Oil Pan Drain Plug, Magnetic, Steel, Orange Powdercoated, Neodymium Super Magnet, 1/2-20 RH in. Threads, Copper Seal, Each

Part Number: SUM-120102O

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Pistons, Forged, 4.160 in. Bore, 3.750 in. Stroke, Flat Top, 6.625 in. Rod Length, 0.980 in. Pin Diameter, Pontiac, Set of 8

Part Number: PIS-1000579

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Estimated Ship Date: Dec 9, 2025 if ordered today

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Pistons, Forged, Flat, 4.150 in. Bore, Pontiac, V8, Set of 8

Part Number: UEM-IC9946-030

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Valves, Exhaust, Race, Stainless Steel, 1.66 in. Dia., Pontiac, 1971-79, 350, 400, 455, Set of 8

Part Number: MIL-45475-8

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Rod Bearings, .060 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807SI060

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Estimated Ship Date: Today

Camshaft Kits, Big Mutha Thumpr Hydraulic Flat Tappet Cam and Lifter Kits, Advertised Duration 295/313, Lift 0.501/0.486, Pontiac, Pontiac V8, Kit

Part Number: CCA-K51-602-5

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Piston and Ring Kit, Forged, Dish, 4.155 in. Bore, Pontiac, V8, Kit

Part Number: UEM-IC938KTD-030

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Belt, Elite, V-Belt, 7/16 in. Width, 63.00 in. Length, Each

Part Number: CEL-15634

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Lifter, Hydraulic Flat, Cadillac, Oldsmobile, Pontiac, V8, Each

Part Number: HRS-91411-1

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Estimated Ship Date: Today

Accessory Belts, V-Ribbed, V-groove, 0.410 in. Width, 49.59 in. Length, Alfa Romeo, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Mack, Toyota, Each

Part Number: ADO-15490

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Estimated Ship Date: Today

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Camshaft, Thumpr, Hydraulic Flat Tappet, Lifters, Valve Springs, Timing Chain and Gears, Pontiac, V8, Kit

Part Number: CCA-K51-601-5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 2, 2026 if ordered today

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Cylinder Head Studs, Pro Series, 12-Point Head, Pontiac, 400, 428, 455, with Edelbrock Performer Heads, Kit

Part Number: ARP-190-4304

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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