Cylinder Heads, Head Bolts & More

Kibblewhite Precision Valve Seats 10-SB340

Valve Seat, Nickel Aluminum-bronze, 9.50mm Thick, 26.00mm I.D., 34.00mm O.D., Each

Part Number: KPM-10-SB340

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Edelbrock E-CNC 230 LS3 Cylinder Heads 61319

Edelbrock E-CNC 230 LS3 Cylinder Heads 61319

Cylinder Head, E-CNC 230 LS3, Assembled, Aluminum, 69cc Chamber, 230cc Intake Runner, Chevy, 6.2L, Each

Part Number: EDL-61319

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Kibblewhite Precision Valve Seats 10-SB350

Valve Seat, Nickel Aluminum-bronze, 11.00mm Thick, 26.00mm I.D., 35.00mm O.D., Each

Part Number: KPM-10-SB350

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Kibblewhite Precision Valve Seats 10-SB390

Valve Seat, Nickel Aluminum-bronze, 11.00mm Thick, 30.00mm I.D., 39.00mm O.D., Each

Part Number: KPM-10-SB390

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Kibblewhite Precision Valve Seats 10-SC550

Valve Seat, Powdered Metal, 11.40mm Thick, 44.45mm I.D., 54.96mm O.D., Each

Part Number: KPM-10-SC550

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Kibblewhite Precision Valve Seats 10-SB385

Valve Seat, Nickel Aluminum-bronze, 11.00mm Thick, 29.00mm I.D., 38.50mm O.D., Each

Part Number: KPM-10-SB385

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Pacific Performance Engineering CNC-Ported LLY/LBZ/LMM Cast Iron Cylinder Heads 110100113

Cylinder Head (One) Cast Iron LLY/LBZ/LMM Ported

Part Number: PPE-110100113

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Quicksilver Cylinder Heads 8M0188300

Cylinder Head, Cast Iron, for Use with 1990-2016 Mercruiser 3.0L Engines, Each

Part Number: QSV-8M0188300

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Kibblewhite Precision Valve Seats 10-SB365

Valve Seat, Nickel Aluminum-bronze, 11.00mm Thick, 27.00mm I.D., 36.50mm O.D., Each

Part Number: KPM-10-SB365

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Kibblewhite Precision Valve Seats 10-SC290

Valve Seat, Powdered Metal, 9.50mm Thick, 21.00mm I.D., 29.00mm O.D., Each

Part Number: KPM-10-SC290

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Kibblewhite Precision Valve Seats 10-SC510

Valve Seat, Powdered Metal, 11.40mm Thick, 39.70mm I.D., 50.97mm O.D., Each

Part Number: KPM-10-SC510

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Kibblewhite Precision Valve Seats 10-SC523

Valve Seat, Powdered Metal, 11.40mm Thick, 39.67mm I.D., 52.32mm O.D., Each

Part Number: KPM-10-SC523

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Kibblewhite Precision Valve Seats 10-SB260

Valve Seat, Nickel Aluminum-bronze, 9.00mm Thick, 18.00mm I.D., 26.00mm O.D., Each

Part Number: KPM-10-SB260

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Quicksilver Cylinder Heads 8M0188302

Cylinder Head, Cast Iron, Marine, Chevrolet, 5.7L, Each

Part Number: QSV-8M0188302

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Kibblewhite Precision Valve Seats 10-SB345

Valve Seat, Nickel Aluminum-bronze, 9.50mm Thick, 26.00mm I.D., 34.50mm O.D., Each

Part Number: KPM-10-SB345

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Kibblewhite Precision Valve Seats 10-SC360

Valve Seat, Powdered Metal, 11.00mm Thick, 27.00mm I.D., 36.00mm O.D., Each

Part Number: KPM-10-SC360

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Kibblewhite Precision Valve Seats 10-SC310

Valve Seat, Powdered Metal, 9.50mm Thick, 23.00mm I.D., 31.00mm O.D., Each

Part Number: KPM-10-SC310

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Kibblewhite Precision Valve Seats 10-SC250

Valve Seat, Powdered Metal, 9.00mm Thick, 17.00mm I.D., 25.00mm O.D., Each

Part Number: KPM-10-SC250

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Kibblewhite Precision Valve Seats 10-SB410

Valve Seat, Nickel Aluminum-bronze, 11.00mm Thick, 31.00mm I.D., 41.00mm O.D., Each

Part Number: KPM-10-SB410

5.0 out of 5 stars ( 1 )

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Kibblewhite Precision Valve Seats 10-SC300

Valve Seat, Powdered Metal, 9.50mm Thick, 22.00mm I.D., 30.00mm O.D., Each

Part Number: KPM-10-SC300

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Kibblewhite Precision Valve Seats 10-SB360

Valve Seat, Nickel Aluminum-bronze, 11.00mm Thick, 27.00mm I.D., 36.00mm O.D., Each

Part Number: KPM-10-SB360

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Kibblewhite Precision Valve Seats 10-SB270

Valve Seat, Nickel Aluminum-bronze, 9.00mm Thick, 19.00mm I.D., 27.00mm O.D., Each

Part Number: KPM-10-SB270

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Kibblewhite Precision Valve Seats 10-SB295

Valve Seat, Nickel Aluminum-bronze, 9.50mm Thick, 21.00mm I.D., 29.50mm O.D., Each

Part Number: KPM-10-SB295

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Kibblewhite Precision Valve Seats 10-SC420

Valve Seat, Powdered Metal, 11.00mm Thick, 32.00mm I.D., 42.00mm O.D., Each

Part Number: KPM-10-SC420

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Kibblewhite Precision Valve Seats 10-SB320

Valve Seat, Nickel Aluminum-bronze, 9.50mm Thick, 24.00mm I.D., 32.00mm O.D., Each

Part Number: KPM-10-SB320

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Cylinder Heads, Valve Seats, Head Bolts, Top End Kits & More