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

Cylinder Head Studs, Extreme Duty, 12-Point Head, Mitsubishi, 2.0L, 4G63, 16-Valve, Kit

Part Number: SUM-910526

Not Yet Reviewed

Estimated Ship Date: Today

Cylinder Head Fasteners, Head Bolt Kits, Steel, Natural, Ford, 7.3L Diesel, Set

Part Number: MAH-GS33348

Not Yet Reviewed

Estimated Ship Date: Today

Cylinder Head Bolts, High Performance 12-Point, Chevy, Big Block, with Pro Stock, Big Chief Heads, Kits

Part Number: ARP-135-3704

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Estimated Ship Date: Sep 9, 2025 if ordered today

• Special Order

Cylinder Head Bolts, High Performance, Hex Head, Pontiac, Kit

Part Number: ARP-190-3604

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Estimated Ship Date: Sep 9, 2025 if ordered today

• Special Order

Cylinder Head Fasteners, Head Bolt Kits, Steel, Natural, Washers, for Infiniti, for Nissan, Mercury, 3.3L, Set

Part Number: MAH-GS33674

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Special Order

Guide, Exhaust, STD, Polaris, RZR 900, 2013-'14

Part Number: KPM-82-82470

Not Yet Reviewed

Estimated Ship Date: Today

Cylinder Head Bolt, Dowel Bolt for Dart Heads, Steel, Black Oxide, Each

Part Number: DRT-66454330

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

• Special Order

Cylinder Head Bolts, High Performance Hex, Ford, 427 SOHC, Kit

Part Number: ARP-155-3602

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Special Order

SEAT 4140 BLK OXIDE

Part Number: RSC-PAC-S137-16

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

• Drop Ship
• Special Order

SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S154-16

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Estimated Ship Date: Sep 22, 2025 if ordered today

• Special Order

SEAT CHROME MOLY SPRING

Part Number: RSC-PAC-S141-16

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

• Special Order

LS3 8mm Bronze Guide, .502 OD, Ea.

Part Number: AFR-9053-1

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Drop Ship
• Special Order

Engine Cylinder Head Bolt Set, Engine Cylinder Head Bolt Set

Part Number: MAH-GS33772

Not Yet Reviewed

Estimated Ship Date: Sep 19, 2025 if ordered today

• Special Order

Cylinder Head Bolts, Stainless Steel, 12-Point Head, Chevy, Big Block, Set of 8

Part Number: ARP-435-3705

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Special Order

Valve Seat, Ductile Iron, Intake, 2.200 in. Outside Diameter, Ford, Cleveland, Each

Part Number: TFS-51600271-1

Not Yet Reviewed

Estimated Ship Date: Today

Valve Guide, Powersports, Bronze, Exhaust, Each

Part Number: KPM-30-30620

Not Yet Reviewed

Estimated Ship Date: Today

Pontiac Super Duty, w/Iron Duke heads, hex hsk

Part Number: ARP-290-4101

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Special Order

HEAD BOLT KIT

Part Number: PIO-S-177

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Cylinder Head Bolts, Pro Series, 12-Point Head, Buick, 3.8L, Kit

Part Number: ARP-223-3703

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Special Order

Seat, High Chrome Alloy, 2.068"" OD

Part Number: KPM-10-HC526

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Seat, High Chrome Alloy, 1.757"" OD

Part Number: KPM-10-HC447

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

S&S Cycle 3/8-16 UNC x 6.070in Cylinder Base Stud

Part Number: SSY-31-2325-S

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Drop Ship
• $10.00 Summit Bucks
• Special Order

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

Part Number: KPM-10-SC550

Not Yet Reviewed

Estimated Ship Date: Today

Valve Seat, Powdered Metal, 11.43mm Thick, 42.85mm I.D., 52.53mm O.D., Each

Part Number: KPM-10-SC525

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Part Number: KPM-10-SC523

Not Yet Reviewed

Estimated Ship Date: Today