Availability
1981 Engine Blocks & Accessories
EXP PLUG KIT
Part Number: PIO-PE-149-BR
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Four Bolt Main Cap Kit
Part Number: PIO-839022
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Main Studs, 2-Bolt, Oldsmobile, 307, 350, 403, Kit
Part Number: MIL-81216
Not Yet Reviewed
Estimated Ship Date: May 8, 2026 if ordered today
Estimated Ship Date: May 8, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Offset Dowel Pins Mazda Rotary .007
Part Number: IST-BHI-00007
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Offset Dowel Pins Mazda Rotary .014
Part Number: IST-BHI-00014
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Main Studs, 2-Bolt Main, Chevy, Big Block, with Windage Tray, Kit
Part Number: MIL-81139
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Freeze Plugs, Brass, Ford, 289, 302, 351W, Kit
Part Number: PIO-PE108BR
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Cylinder Head Dowel Pins, Ford, Lincoln, Mercury, Set of 100
Part Number: PIO-PF-485-100
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
EXP PLUG KIT
Part Number: PIO-PE-163-B
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
EXP PLUG KIT
Part Number: PIO-PE-165-B
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
EXP PLUG KIT
Part Number: PIO-PE-169-B
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BR EXP PLUG KIT
Part Number: PIO-PE-169-BR
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
EXP PLUG KIT
Part Number: PIO-PE-186-R
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BR EXP PLUG KIT
Part Number: PIO-PE-109-B
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BR EXP PLUG KIT
Part Number: PIO-PE-113-B
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
EXP PLUG KIT
Part Number: PIO-PE-116-B
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
EXP PLUG KIT
Part Number: PIO-PE-117-B
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
EXP PLUG KIT
Part Number: PIO-PE-118-BR
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
BR EXP PLUG KIT
Part Number: PIO-PE-107-B
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Offset Dowel Pins Mazda Rotary .021
Part Number: IST-BHI-00021
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Freeze Plugs, Steel, Chevy, 267, 283, 302, 305, 307, 327, 350, Kit
Part Number: PIO-PE100R
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 2-Bolt, Oldsmobile, 350 Diesel, 400, 425, 455, Kit
Part Number: MIL-81215
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, Straight 4-Bolt Main, Chevy, 350, 400, with Windage Tray, Kit
Part Number: MIL-81117
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Main Studs, 2-Bolt Main, Chevy, 350, 400, Kit
Part Number: MIL-81125
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster