Availability
1981 Engines & Components
Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.910 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8
Part Number: HSN-2M148
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer, Internal Balance, Nodular Iron, Cadillac/Chevy/GMC, Small Block, Each
Part Number: ATP-102053
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
4340 I-BEAM ROD CHEVY SB 6.250"
Part Number: ESP-FSI6250B-1
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Crankshaft Pulley, Serpentine, 6-Groove, 7.00 in., Aluminum, Black Powdercoated, Chevy, Small Block, Short Pump, Each
Part Number: MCH-6271-08
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Guideplates, Flat, 3/8 in. Pushrod Size, Ford, 302, 351W, Trick Flow® R-Series, Set of 8
Part Number: TFS-52400624
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M592
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
ENGINE TIMING CHAIN KIT
Part Number: CLO-9-4134SA
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
SPEED SET
Part Number: MEL-40402
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
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CYL HEAD BOLT KIT
Part Number: PIO-S-1171
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Timing Cover and Aluminum Water Pump Bolts, Stainless, Polished, 12-Point, Pontiac V8, Kit
Part Number: ARP-490-1501
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Control Kit, Big Block Chevy
Part Number: MOR-23036
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Harmonic Balancer, Restoration Balancer, Internal Balance, Nodular Iron, 6.750 in. Diameter, Chevy Orange, Chevy, Small Block, Each
Part Number: PFS-85001
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate
Part Number: HSN-568
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
AN Block Adapters, -12 AN Adapters, Black Anodized, Chevy, Big Block, Kit
Part Number: PGP-PRP-6862
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Piston Ring Set, This Item Is Not Painted, Metal, Use Existing Hardware
Part Number: CWA-J3208067
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Main Bearings, XP-Series, Narrowed, Tri-metal, 1/2 Groove Style, 0.020 in. Crankshaft Undersize, Chevrolet, Big Block, Set of 5
Part Number: KGB-MB556XPN020
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Rod Bearings, Race Series, Tri-Metal, .010 in., .25mm Crankshaft Undersize, Dowel Hole, Chevrolet, Big Block, Set of 8
Part Number: PEB-8B743HD-010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Piston Ring Set, 4-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M4203060
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
CHEVY BB LWP GRAY ALUM CUSTOM ALT BRACKET ASSEM
Part Number: MCH-20125-09
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Oil Pump Cover, Cast Aluminum, Natural, Jeep, Each
Part Number: OMX-1747015
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6
Part Number: HSN-2M667030
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement, Hardware Kit, 2-Bolt Main, Ford, with Trick Flow® Main Cap Girdle,
Part Number: TFS-51500701-HK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Windage Tray, Steel, Clear Zinc, Louvered, Rear Sump, Chevy, Small Block, Each
Part Number: CTR-20-914
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C148010
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Main Bearings, AM-Series, Full Groove, .030 in. Crankshaft Undersize, Bi Metal, Oldsmobile, 260, 307, 330, 350, 403
Part Number: KGB-MB5514AM030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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