Description
Engine – Big M – Bare Block – 4.500 in Bore – 10.200 Deck – 4-Bolt Main – 2-Piece Seal – Iron – Big Block Chevy – Each
🇺🇸 FREE US SHIPPING FROM $99 | FAST GLOBAL SHIPPING
🇺🇸 FREE US SHIPPING FROM $99 | FAST GLOBAL SHIPPING
SKU: DRT31223454
🇺🇸 Express Shipping From USA
⏱️ Estimated Shipping: 1-3 days
🌍 Fast International Shipping Support
🏅 Not Ready For Shipping In 72 Hours, 100% Refund
$4,139.99 Original price was: $4,139.99.$3,599.99Current price is: $3,599.99.
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| Weight | 275 lbs |
|---|---|
| Dimensions | 26 × 22 × 16 in |
| Material | Cast Iron |
| Color | Natural |
| Finish | Natural |
| Quantity | Each |
| Product Line | Big M Sportsman |
| Cylinder Bore | 4.500 in |
| Deck Height | 10.200 in |
| 1-Piece / 2-Piece Rear Main Seal | 2 Piece |
| 4 Bolt / 2 Bolt Mains | 4 Bolt |
| Main Caps Included | Yes |
| Main Cap Material | Ductile Iron |
| Main Cap Fasteners Included | Yes |
| Wet Sump / Dry Sump | Wet/Dry Sump |
| Cylinder Bore As Shipped | 4.490 in |
| Intended Minimum Finish Bore | 4.500 in |
| Intended Maximum Finish Bore | 4.625 in |
| Maximum Stroke | 4.750 in |
| Mechanical Fuel Pump Provision | Yes |
| Weight | 260 lbs |
| Cam Plug Diameter | 2.215 in |
| Oil Filter Provision | Yes |
| Lifter Bore Diameter | 0.842 in |
| Main Bearing Bore Minimum Diameter | 2.937 in |
| Main Bearing Bore Maximum Diameter | 2.938 in |
| UPC Code | 807051045963 |
| Shipping Note | This product will be delivered via Truck Freight only. Additional shipping charges may apply. |
| Brand | |
| Type | |
| Condition | |
| Manufacturer Part Number (MPN) | 31223454 |
Engine – Big M – Bare Block – 4.500 in Bore – 10.200 Deck – 4-Bolt Main – 2-Piece Seal – Iron – Big Block Chevy – Each
Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.
Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.
| Destination | Est. Time | Cost |
|---|
K-Series
0.25 mm
Yes
Kit
Yes
Kit
Yes
H-Series
Standard
Rod Bearings3
Kit
Yes
Race Series
Standard
Rod Bearings124
Kit
Yes
H-Series
Standard
Yes
K-Series
Standard
Yes
Yes
Kit
Steel
Natural
Natural
Set of 4
0.096 in
Pair
Polyurethane
Black
Natural
Rear
Power Grid
Plastic
Black
Natural
Each
Ultra
Kit
Yes
Aluminum
Natural
Competition
Seat
Yes
Bolt-On
1/8 in
Strut-Plus
Twintube
Gas
Yes
Steel
15 in
18 in
Yes
42 Spline
3 Piece
Steel
Chrome
Plated
Each
Round
Gasoline
0.0890 in
80.0
Main
1/4-32 in
Steel
Black
Paint
Each
Power Steering Pump
8171
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