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The Melvin-Base Engine
USD 3,800.00
Melvin Engine Package - Order Deposit
USD 2,100.00
The Melvin Package
USD 4,900.00
Engine Plans
USD 125.00
Engine Manufacturing & Distribution Franchise
USD 24,000.00
Waste Oil Burner -
USD 500.00
Melvin Jr. Engine Package - Order Deposit
USD 700.00
Melvin Jr. Engine Package
USD 2,500.00
The Melvin Engine- High Output (Beta)
USD 6,200.00
Sefton Motors Calendar - 2026
USD 200.00