Availability
1981 CHEVROLET K20 Engines & Components
Oil Pickup, Bolt-In, Aftermarket Pan Style, 7.500 in. Pan Depth, Chevy, Small Block, Each
Part Number: MEL-12558
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Hydraulic Roller Tappet, Advertised Duration 294/300, Lift .540/.562, Chevy, Small Block, Each
Part Number: CCA-12-443-8
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Single, 1.253 in. Diameter, 104-116 lbs. Seat Pressure, 1.160 in. Coil Bind Height, Each
Part Number: MEL-VS-739R
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, .030 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5
Part Number: SLP-4663M30
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer Cover, Aluminum, Black, 8 in. Diameter, Degree Markings, Chevy, Small Block, Each
Part Number: PRO-141-728
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain and Gear Set, Link Belt, Iron/Steel Sprockets, Chevy, Small Block, Set
Part Number: CLO-C-3001K
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Dress-Up Kit, Steel, Chrome, Chevy, Small Block, Kit
Part Number: PRO-141-002
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Claimer Series Performance Ring Sets, Standard Size, 4.000 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 1/8 in., L8, V8, Set of 8
Part Number: HSN-CM5521
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Pan, Pro Touring, Steel, Gold Iridite, 7 qt., Chevy, Small Block, Dart SHP RH Dipstick, Competition Baffling, Each
Part Number: MIL-31506
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Timing Chain and Gear Set, Hex-A-Just, Double Roller, Billet Steel Sprockets, Chevy, 350, 5.7L, Set
Part Number: CLO-9-3146A
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Dowel Pin, Bellhousing Alignment, Chevy, Pontiac, Each
Part Number: DUR-AD-009-P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Pump Springs, 70 psi, Steel, Pink, Pins, Chevy, Small Block, Kit
Part Number: MEL-55070
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam Bearings, Steel Backed Babbitt, Chevy, Set
Part Number: SLP-C2100M
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain and Gear Set, Single Roller, Iron Cam Sprocket, Steel Crank Sprocket, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, V6, V8, Set
Part Number: MEL-40500
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rod Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8
Part Number: KGB-CR807XPND010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain and Gear Set, Hex-A-Just, Double Roller, Billet Steel Sprockets, Chevy, Small Block, BBC Crank Snout, Set
Part Number: CLO-9-3100B
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Sportsman Steel Roller Tip, Stud Mount, Chromoly Steel, Natural, 1.6 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16
Part Number: PQX-0835021
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain, Replacement, Double Roller, Ford/Chevy, Small Block, Align Bored Block, Each
Part Number: CLO-9-130-10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.55 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16
Part Number: PQX-0235011
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Pro Series Stainless Rocker Arms SUM-G6993
Not Yet Reviewed
Estimated Ship Date: Today
Piston Rings, Chrome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-251KC
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain and Gear Set, True Roller, Double Roller, Billet Steel Sprockets, Chevy, Small Block, Set
Part Number: TFS-31478500
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft Key, Short, 4 Degree Offset, Chevy, Ford, Pontiac, Chrysler, Each
Part Number: MRG-988G
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Filter, Extended Life, Canister, 13/16 in.-16 Thread, Each
Part Number: CHC-30-1218
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer Bolt, Steel, Black, Hex Head, Chevy, Small Block, Each
Part Number: MRG-7845
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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