Engine Blocks & Accessories

Main Studs, 2-Bolt Main, Cummins, 3.9L, Kit

Part Number: GFN-MSK394BT

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Cylinder Sleeve, Cast Iron, 4.240 in. Bore I.D., 0.185 in. Wall Thickness, 6.370 in. Length, Each

Part Number: DRT-32160111

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BIG BLOCK CHEVY BLOCK SLEEVE

Part Number: DRT-32160411

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CYLINDER SLEEVE

Part Number: BRO-8BSL44-324

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S&S Cycle M-Series Piston Cooling Jet Kit

Part Number: SSY-310-1203

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CYL SLEEVE ISX

Part Number: CLE-2264643

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Cylinder Sleeve Assembly - Cat. 121mm/4.750" Bore 3300 PC(with OE#8N3182)

Part Number: MAH-2261967

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 12V, L6, Cummins, Diesel, Dodge, Kit

Part Number: PQX-1000311

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Main Studs, SCM-4140 Alloy Steel, 12-Point, Chevy, 6.6L, Duramax Diesel, LB7, LLY, Kit

Part Number: PQX-1000321

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Estimated Ship Date: Dec 11, 2025 if ordered today

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

Part Number: PQX-1000323

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Estimated Ship Date: Dec 11, 2025 if ordered today

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BTR MAIN STUD KIT - 4.5" LONG AND 4.75" LONG STUDS - BTR45475

Part Number: BTC-BTR45475

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855005

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Stud Kit

Part Number: PIO-855020

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each

Part Number: HRS-H350C-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Main Cap, SB Chev 350

Part Number: HRS-H350S-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Main Cap SB Chev 400

Part Number: HRS-H400-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Cylinder Sleeve Assembly - Case/IH 4.625" Bore 504 Diesel Eng.

Part Number: MAH-2261700

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Cylinder Sleeve Assembly - Cum. 139.7mm/5.500" Bore 855 Dual-NI Std Lnr (OE#3803346)

Part Number: MAH-2261821

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Cylinder Sleeve Assembly - Caterpillar 4-6, 3304-3306

Part Number: MAH-2261889

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Cylinder Sleeve Assembly - Cat. 121mm/4.750" Bore 3300 DI (with OE#1654262), 5.0:1 CR, 1.700" Pin,

Part Number: MAH-2261968

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Estimated Ship Date: Dec 1, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: CLE-2253323020

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Estimated Ship Date: Dec 11, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: CLE-2253666050MM

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Estimated Ship Date: Dec 11, 2025 if ordered today

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REBORE KIT ASSEMBLY

Part Number: CLE-2253673

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Billet Cover, LS3 Billet Valley Cover

Part Number: AAF-ALL90107

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 5, 2025 if ordered today

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BTR STOCK REPLACEMENT LS MAIN BOLT KIT

Part Number: BTC-S0548

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Estimated Ship Date: Nov 10, 2025 if ordered today

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