Availability
1981 Engines & Components
Connecting Rod Bolts, 12-Point, Cap Screw, 7/16 in. Thread, Chevy, Ford, Chrysler, Dodge, Plymouth, Set of 4
Part Number: MAN-42391-4
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each
Part Number: MAN-590035L-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each
Part Number: MAN-590035R-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each
Part Number: MAN-590040L-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each
Part Number: MAN-590040R-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each
Part Number: MAN-590130L-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each
Part Number: MAN-590130R-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each
Part Number: MAN-590135L-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each
Part Number: MAN-590135R-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each
Part Number: MAN-590140L-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each
Part Number: MAN-590140R-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each
Part Number: MAN-590230L-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each
Part Number: MAN-590230R-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each
Part Number: MAN-590240L-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each
Part Number: MAN-590240R-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Piston, Forged, Flat, 4.045 in. Bore, Gas Ported, Passenger Side, Chevy, Each
Part Number: MAN-591545R-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
ProX Piston Kit PW50 '81-22 (40.00mm)
Part Number: PXR-01-2005-000
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
ProX Piston Kit PW50 '81-22 (40.50mm)
Part Number: PXR-01-2005-050
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
ProX Piston Kit PW50 '81-22 (41.00mm)
Part Number: PXR-01-2005-100
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
ProX Big End Cage (34x42x20) YZ400/426F/CRF450R Silver/Flat
Part Number: PXR-22-344220F
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
ProX Con.Rod Kit MJ/PW50 '81-22 + MA/SA/S/CT50 -2E9-
Part Number: PXR-03-2008
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
ProX Con.Rod Kit RD/DT125LC -3R2-
Part Number: PXR-03-2250
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
SB Chevy DS 4.040B/1.550CD
Part Number: DPP-11403
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
ProX Big End Cage (22x29x17) Flat YZ125/KX125
Part Number: PXR-22-222917F
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
ProX Big End Cage (24x32x20) Flat/Silver KX250 '78-08
Part Number: PXR-22-243220F
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
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