Availability
Engine Blocks & Accessories
Main Caps, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Set of 3
Part Number: HRS-H350C
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Sleeve, Cast Iron, 5.750 in. Bore I.D., 0.125 in. Wall Thickness, 17.500 in. Length, Each
Part Number: MEL-CSL572
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Caps, Billet Steel, 4-Bolt, Straight, Ford, Small Block, Set of 3
Part Number: PQX-1735101
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Sleeve, Cast Iron, 5.375 in. Bore I.D., 0.125 in. Wall Thickness, 14.250 in. Length, Each
Part Number: MEL-CSL569
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Caps, Billet Steel, 3-Center, Straight Bolts, 2-Bolt, Ford, Small Block, Set of 3
Part Number: PQX-1730201
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Cap Studs, 4140 Studs, Parallel Ground Washers, 12-Point Nuts, 2-Bolt Mains, 5.9L, 24V, L6, Cummins, Diesel, Dodge, Kit
Part Number: PQX-1000313
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 4-bolt Main, Standard 12-point Nuts, Washers, Ford, 302 Boss, Kit
Part Number: ARP-154-5610
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 8740 Chromoly, 200,000 Psi Tensile Strength, 4-Bolt Main, Chevy, Big Block, Kit
Part Number: PQX-1045442
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Today
Main Studs, 2-Bolt, Chrysler, 318-360 with Windage Tray, Kit
Part Number: MIL-81186
Estimated Ship Date: Today
Estimated Ship Date: Today
Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit
Part Number: EW1-350LRMSA
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Small Block, Set of 3
Part Number: PQX-1735003
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Billet Cover, LS1 Billet Valley Cover
Part Number: AAF-ALL90106
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Kit
Part Number: CTR-21-850
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Cylinder Sleeve, Cast Iron, 6.125 in. Bore I.D., 0.125 in. Wall Thickness, 17.500 in. Length, Each
Part Number: MEL-CSL575
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Sleeves, CYLINDER SLEEVE (3.550X 3.742X 7.245-3.964)
Part Number: MEL-CSL334F
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Main Studs, 4-Bolt Main, Ford, Boss 302, with Windage Tray, Kit
Part Number: ARP-154-5602
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
MAIN GIRDLE, BILLET STEEL, FORD 289-302, Does Not incl Studs or Fasteners
Part Number: PQX-9030201
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Main Studs, 2-Bolt Main, for use on Honda®, 2.2, 2.3L, Kit
Part Number: ARP-208-5401
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Cap Girdle, 1045 Billet Steel, No Hardware, for Chevy Big Block 454, Each
Part Number: PQX-9045401
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Cylinder Sleeve, Cast Iron, 6.750 in. Bore I.D., 0.125 in. Wall Thickness, 17.000 in. Length, Each
Part Number: MEL-CSL578
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
MAIN GIRDLE, BILLET STEEL, FORD 460, Does Not incl Studs or Fasteners
Part Number: PQX-9046001
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
MAIN GIRDLE, BILLET STEEL, CHEV 400, incl PRW fasteners & hdwe
Part Number: PQX-9040000
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Main Cap, Billet Steel, 3-Center, Straight Outer Bolts, 4-Bolt, Chevy, Small Block, Each
Part Number: HRS-H350R-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 2-Bolt Main, AMC, 290-401, Kit
Part Number: MIL-81187
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
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