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Howards Cams Extreme Billet Main Caps H350S

Howards Cams Extreme Billet Main Caps H350S

Main Caps, Billet Steel, 3-Center, Splayed Outer Bolts, 4-Bolts, Chevy, Small Block, Set of 3

Part Number: HRS-H350S

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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ARP Main Stud Kits 247-5401

Main Studs, Chromoly, Hex Head, 2-Bolt, Dodge, Cummins Diesel, 5.9L, Kit

Part Number: ARP-247-5401

Not Yet Reviewed

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ARP Main Stud Kits 247-5402

Main Studs, Chromoly, Hex Head, 2-Bolt, Dodge, Cummins Diesel, 5.9L, 12V, Kit

Part Number: ARP-247-5402

Not Yet Reviewed

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Summit Racing™ Rear Main Seal Housings SUM-01-8571

Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Clear Andoized, Chevy, LS, Each

Part Number: SUM-01-8571

Not Yet Reviewed

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World Products Motown LS Water Return Kits WPIWPI703850-K

Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Stainless Braided Hose, Chevy, LS, Kit

Part Number: WRL-WPI703850-K

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ARP Main Stud Kits 150-5801

Main Studs, 4-Bolt Main, Ford, Powerstoke, 6.0L, Kit

Part Number: ARP-150-5801

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Milodon Main Caps 11310

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chrysler, Dodge, Plymouth, 360, Set

Part Number: MIL-11310

Not Yet Reviewed

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Melling Cylinder Sleeves CSL581

Cylinder Sleeve, Cast Iron, 7.500 in. Bore I.D., 0.125 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL581

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

PRW Billet Steel Main Caps 1745403

Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Big Block, Set of 4

Part Number: PQX-1745403

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Milodon Main Caps 11160

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Chevy, Small Block, Set

Part Number: MIL-11160

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

PPE Oil Cooler Block-Off Plates 114001000

Oil Cooler Delete Kit, Billet Alum, Black Color, Marine/Hotrod, GM Duramax 6.6L, 2001-10

Part Number: PPE-114001000

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

PRW Billet Steel Main Girdles 9034700

Main Cap Girdle, 1045 Billet Steel, with PRW SCM-4135 Fasteners/Hardware, Black Oxide Finish, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PQX-9034700

5.0 out of 5 stars ( 1 )

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PRW Billet Steel Main Caps 1738901

Main Caps, Billet Steel, 4-Bolt Conversion or Replacement, Straight, 326-400 cid, V8, Dowel Pinned, Drill Guide, Small Journal, Pontiac, Set of 3

Part Number: PQX-1738901

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Melling Cylinder Sleeves CSL9079

Cylinder Sleeve, Cast Iron, 7.968 in. Bore I.D., 0.176 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL9079

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Milodon Main Caps 11440

Main Caps, Ductile Iron, 3-Center, Angled Outer Bolts, 4-Bolt, Ford, 351C, Set

Part Number: MIL-11440

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Cylinder Works Cylinders for 2009-2015 KX450F - 422-30011

STANDARD BORE CYLINDER

Part Number: CLW-30011

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Gator Fasteners Main Stud Kits MSK6265

Main Studs, 4-Bolt Main, Chevy, Diesel, 6.2/6.5L, Kit

Part Number: GFN-MSK6265

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Pioneer Performance Freeze Plugs EPC-41-B-100

EXPANSION PLUG

Part Number: PIO-EPC-41-B-100

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

PRW Main Cap Stud Kits 1000323

Main Studs, SCM-4140 Alloy Steel, 12-Point, 2-Bolt, Chevy, 6.6L, Duramax Diesel, LBZ/LMM, Kit

Part Number: PQX-1000323

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Extreme Duty Main Studs SUM-910523

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Dorman Rear Main Seal Covers 635-118

Rear Main Seal Cover, Aluminum, Natural, Ford, 6.0L Diesel, 6.4L Diesel, Kit

Part Number: RNB-635-118

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Isky Keyway Lifter Bore Bushings KLB936

Lifter Bushing, 1.062 in. O.D., 0.936 in. I.D., 1.990 in. Length, Bronze, Keyway, Chevy, Set of 16

Part Number: ISK-KLB936

Not Yet Reviewed

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Melling Cylinder Sleeves CSL582

Cylinder Sleeve, Cast Iron, 7.750 in. Bore I.D., 0.125 in. Wall Thickness, 22.000 in. Length, Each

Part Number: MEL-CSL582

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Cylinder Works Cylinders for 2006-2024 YFM700R RAPTOR, 2007 YFM700R RAPTOR GYTR EDITION, 2007-2024 YFM700R RAPTOR SE - 422-20004

STD BORE CYLINDER

Part Number: CLW-20004

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Cylinder Works Cylinders for 2016-2018 WR450F, YZ450FX, 2010-2017 YZ450F - 422-20005

STD BORE CYLINDER

Part Number: CLW-20005

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Cylinder Works Cylinders 422-30007

CYL WORKS STD BORE FRONT CYL C

Part Number: CLW-30007

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today