Availability
1981 Engines & Components
Main Bearings, SI-Series, 0.010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, 5.8, 6.6L, Set of 5
Part Number: KGB-MB5190SI010
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Lifter, SB Chev, Mech Rlr, +.300
Part Number: HRS-91126-2
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Howards Cams Vertical Bar Mechanical Roller Lifters 91121
Not Yet Reviewed
Estimated Ship Date: Today
Engine Piston Ring Set, 4-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C4250
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
ProX Con.Rod Kit XL125R + XR200R -446-
Part Number: PXR-03-1255
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Rocker Arms, Stud Mount, Non-Roller, Stamped Steel, Nitro Carb, 1.6 Ratio, Fits 3/8 in. Stud, Long Slot, Chevy, Small Block, Set of 16
Part Number: PQX-6028316
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Studs, 2-Bolt, Chrysler 318-360, 383-440 and 331-392 Early Hemi, Kit
Part Number: MIL-81185
Estimated Ship Date: Today
Estimated Ship Date: Today
Windage Tray, Aluminum, Clear Zinc, Louvered, Chevy, Small Block, Each
Part Number: CTR-20-907
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
SB Chevy FT 4.040B/1.000CD
Part Number: DPP-11158
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Lifters, Mechanical Roller, Vertical Bar, 0.300 in. Taller Body, Chevy, Small Block, Pair
Part Number: HRS-91121-2
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Rocker Arms, Non-roller, Steel, Natural, Stud Mounting Style, Pivots, Bridges, Jeep, 5.0L, 5.9L, Kit
Part Number: CWA-3223539KL
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Lifters, Hydraulic Flat Tappet, 0.842 in. O.D., Chevy, Set of 12
Part Number: CCA-84000-12
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
This product may not be eligible for select promotional offers
Alternator Bracket, Passenger Side, Billet Aluminum, Gilmer Belt, Black, Chevrolet, Small Block, Long, Kit
Part Number: TSN-JM9121BK
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate
Part Number: HSN-5462
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M568080
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Valve, Intake, 1.653 in. Head Diameter, 7.95mm Stem Diameter, 4.606 in. Overall Length, VW, Set of 4
Part Number: MAN-11628-4
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, Intake, Stainless Steel, 1.890 in. Diameter, .3415 in. Stem, 4.800 in. Length, Set of 4
Part Number: MAN-11792-4
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Valves, Exhaust, Stainless Steel, 1.590 in. Diameter, .3415 in. Stem, 4.800 in. Length, Set of 4
Part Number: MAN-11793-4
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Oil Pump, Standard-Volume, for Nissan, 4-Cylinder, Inline 6-Cylinder, Each
Part Number: MEL-M90
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
This product may not be eligible for select promotional offers
Water Pump Cover, Billet Aluminum, Black Anodized, Chevy Small Block, Each
Part Number: MCH-224-08
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Crankshaft Pulley, V-Belt, 1-Groove, 5.50 in., Aluminum, Black Powdercoated, Chevy, Big Block, Long Pump, Each
Part Number: MCH-7006-08
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Summit Precision High-Tensile Tri-Metal Alloy COATED Racing Rod Bearings, SBC/LS 2.100 pin, .837 width, .001 Extra Clearance for .010 undersize, set
Part Number: SUM-663HC001
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft Pulley, V-Belt, 1-Groove, 5.5 in., Billet Aluminum, Polished, Chevy, Small Block, Long Pump, Each
Part Number: MCH-6051
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 7.000 in. Length, Each
Part Number: MEL-590297
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C148060
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Engine Piston Ring Set, 6-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C586030
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
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