FIRST MATE MARINE ENGINE'S
MAKE GENERAL MOTORS 110 to 230 Hp
| YEAR APPROX | HP | DESCRIPTION | BLOCK CASTING # | SHORT BLOCK STANDARD ROTATION | LONG BLOCK STANDARD ROTATION | SHORT BLOCK REVERSE ROTATION | LONG BLOCK REVERSE ROTATION | LONG BLOCK WITH VALVE COVER, TIMING COVER AND OIL PAN ALREADY INSTALLED STANDARD ROTATION | LONG BLOCK WITH VALVE COVER, TIMING COVER AND OIL PAN ALREADY INSTALLED REVERSE | BEACON MARINE SUPPLY PRICE |
| 62-86 | 110 & 120 | Original Replacement
For The 2.5 Liter 110 Horse Power Engine. Must Have Core To Return. |
857, 034, 449, 045, 035 | SGM153LA Core $350.00 $1,600.00 |
GM153LA Core $550.00 $1,800.00 |
N/A | N/A | N/A | N/A | |
| 62-86 | 110 & 120 | Up Grade Replacement
For The 2.5L 110 Horse Power Engine. Must Have Core To Return. |
886 | SGM163LA Core $400.00 $1,600.00 |
GM163LA Core $550.00 $1,800.00 |
N/A | N/A | N/A | N/A | |
| 75-90 | 130 & 140 | 2 Piece Rear Main
Seal. This Is The Early Style Block. Must Have Core To Return. |
087, 886 | SGM181LA Core $400.00 $1,600.00 |
GM181LA Core $650.00 $1,800.00 |
N/A | N/A | N/A | N/A | |
| 90-95 | 130 & 140 | 1 Piece Rear Main
Seal. Pre Electronic Ignition. Must Have Core To Return. |
613 | SGM181LB Core $400.00 $1,610.00 |
GM181LB Core $650.00 $1,800.00 |
N/A | N/A | N/A | N/A | |
| 95-99 | 130 & 140 | 1 Piece Rear Main
Seal. Electronic Ignition. Must Have Core To Return. |
SGM181LC Core $400.00 $1,650.00 |
GM181LC Core $650.00 $1,90000 |
N/A | N/A | N/A | N/A | ||
| 80-84 | 175 | Valve Covers Bolt Around Perimeter. | 594 | SGM229LA $1,500.00 |
GM229LA $1,710.00 |
N/A | N/A | N/A | N/A | |
| 70-80 | 150 & 160 | In Line 6 Cyl. Engine | 855, 675, 127, 466 | SGM250LA $1,550.00 |
GM250LA $1,750.00 |
N/A | N/A | N/A | N/A | |
| 85-86 | 175 & 205 | 2 Piece Rear Main Seal. This Is The Early Style Block. | 177 | SGM262LA $1,550.00 |
GM262LA $1,800.00 |
SGM262RA $1,675.00 |
GM262RA $1,900.00 |
N/A | N/A | |
| 86-88 | 175 & 205 | 1 Piece Rear Main Seal. Non Roller Cam Engine. | 553, 683 | SGM262LB $1,650.00 |
GM262LB $1,900.00 |
SGM262RB $1,775.00 |
GM262RB $2,000.00 |
N/A | N/A | |
| 87-92 | 175 & 205 | 1 Piece Rear Main Seal. Roller Cam Engine. Has 2 Accessory Holes On Head. | 011, 867 | SGM262LC $1,750.00 |
GM262LC $2,000.00 |
SGM262RC $1,900.00 |
GM262RC $2,100.00 |
N/A | N/A | |
| 92-97 | 175 & 205 | Roller Cam Engine With Balance Shaft. Has A 10 Bolt Front Timing Cover. No Fuel Pump Hole. Balance Shaft Casting Numbers Must Be 10224542 Or 10172748. Must Check Balance Casting Number. | 535, 534, 196, 359 | SGM262LD $1,800.00 |
GM262LD $2,050.00 |
N/A | N/A | N/A | N/A | |
| 95-99 | 175 & 205 | Roller Cam Engine With Balance Shaft. Has 6 Bolt Front Timing Cover And 14 Bolt Oil Pan Rail. | 359 | SGM262LE $1,800.00 |
GM262LE $2,050.00 |
N/A | N/A | N/A | N/A | |
| 92-96 | 175 & 205 | Roller Cam Engine With Wide Intake. Head Casting Numbers 064, 209, 626, Or 181 Last Three Digits. 4 Bolt Lifter Hold Down. No Fuel Pump Hole. | 756, 073, 061 | N/A | GM262LF $2,000.00 |
N/A | N/A | N/A | N/A | |
| 96-99 | 175 & 205 | Roller Cam Engine With Balance Shaft. Has 6 Bolt Timing Cover And 10 Bolt Oil Pan Rail. Head Casting Number 772 Last Three Digits. | 090 | SGM262LG $1,800.00 |
GM262LG $1,995.00 |
N/A | N/A | N/A | N/A | |
| 87-92 | 175 & 205 | Roller Cam Engine. Heads Have 3 Bolt Hole Accessory Mounting On The Front Of Each Head. Head Casting Numbers Are 768, 103, 067, And 050. This Engine Can Be Used To Replace The GM262LC. | N/A | GM262LH $2,000.00 |
N/A | N/A | N/A | N/A | ||
| 92-97 | 175 & 205 | Roller Cam Engine With Balance Shaft. 10 Bolt Timing Cover. Balance Shaft Casting Numbers Must Be 12550286 Or 10105902 | 535, 534, 196, 359 | N/A | GM262LI $2,000.00 |
N/A | N/A | N/A | N/A | |
| 63-73 | 200 | 7/16 Fly Wheel Bolts. 2 Bolt Starter Pad. | 258, 404, 659, 970 | SGM292LA $1,595.00 |
GM292LA $1,795.00 |
N/A | N/A | N/A | N/A | |
| 63-73 | 200 | 1/2 Fly Wheel Bolts. 3 Bolt Starter Pad. | SGM292LB $1,595.00 |
GM292LB $1,795.00 |
N/A | N/A | N/A | N/A | ||
| 76-85 | 200 & 230 | 2 Piece Rear Main Seal. Valve Covers Bolt Around Perimeter. | 979, 776, 777, 371 | SGM305LA $1,425.00 |
GM305LA $1,700.00 |
SGM305RA $1,505.00 |
GM305RA $1,800.00 |
GM305LAT $1,900.00 |
GM305RAT $2,000.00 |
|
| 85-87 | 200 & 230 | 1 Piece Rear Main Seal. Valve Covers Bolt Around Perimeter. Double Check Rear Main Seal. This Is Not A Very Common Engine. | 551, 627, 058 | SGM305LB $1,550.00 |
GM305LB $1,750.00 |
SGM305RB $1,655.00 |
GM305RB $1,865.00 |
GM305LBT $2,000.00 |
GM305RBT $2,100.00 |
|
| 87-95 | 200 & 230 | 1 Piece Rear Main Seal. Valve Covers Bolt Down Center. Has Metal Timing Cover. 12 Bolt Intake. | 535, 551, 627, 058 | N/A | GM305LC $1,900.00 |
N/A | GM305RC $2,000.00 |
GM305LCT $2,100.00 |
GM305RCT $2,200.00 |
|
| 87-95 | 200 & 230 | 1 Piece Rear Main Seal. Valve Covers Bolt Down Center. Roller Cam Engine. Has Metal Timing Cover. 12 Bolt Intake. | 535, 551, 627, 058 | SGM305LD $1,800.00 |
GM305LD $2,000.00 |
N/A | N/A | GM305LDT $2,200.00 |
N/A | |
| 95-99 | 200 & 230 | 8 Or 10 Bolt Timing Cover. Timing Cover Is Plastic. 12 Bolt Intake. | N/A | GM305LE $2,245.00 |
N/A | N/A | GM305LET $2,445.00 |
N/A | ||
| 96-99 | 200 & 230 | 8 Bolt Intake. | N/A | GM305LF $2,445.00 |
N/A | N/A | GM305LFT $2,645.00 |
N/A |