Availability
1981 CHEVROLET K20 Engines & Components
Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C139040
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C139020
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
ROCKER ARMS, STAMPED STEEL, CHEV 265-400, 1955-86, 1.5 x 3/8", Long Slot, Nitro-Carburized
Part Number: PQX-6028315
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, Small Block, Set of 5
Part Number: KGB-MB557HP010X
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C139060
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C139070
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Rod Bearings, HP-Series, Silicon Aluminum, 0.021 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8
Part Number: KGB-CR807HPND021
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate
Part Number: HSN-668060
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Harmonic Balancer, Internal Balance, 7.990 in. Diameter, Nodular Iron, Chevy/GMC/Pontiac, Small Block, Each
Part Number: PIO-DA-3504
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
OIL PAN
Part Number: PIO-501087
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C139010
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M668030
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate
Part Number: HSN-668020
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Engine Piston Ring Set, 6-Cyl Ring Set; Triple Chrome
Part Number: HSN-2C668020
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Guideplates, PowerPlus+, Raised, Steel, Black Oxide, 5/16 in. Pushrod Size, Chevrolet, Set of 8
Part Number: PQX-1135003
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Timing Cover Plate; Replacement Plate for Quick Button Timing Cover PN[9-226]
Part Number: CLO-9-226B
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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