MARINE GM Chevrolet 5.0 305 Long Block 1980-1985 - NO CORE REQUIRED - 90 Day Limited Warranty

MARINE GM Chevrolet 5.0 305 Long Block 1980-1985 RHD - NO CORE REQUIRED - 90 Day Limited Warranty

Photo is of an actual MABBCO long block
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Since 1964 MABBCO MOTORS has been supplying professional mechanics, jobbers, wholesalers, exporters, and do-it-yourselfers with top quality engines and engine parts.

This MABBCO® MARINE Remanufactured Long Block is intended for a STD rotation GM Chevrolet 5.0 305 motor, model years 1980-1985.  This long block is identifiable by its 2 piece rear main seal, its right side dipstick (as viewed from rear of motor), and is commonly known as an "early model."  MABBCO® long blocks include NEW pistons, piston rings, rod bearings, main bearings, cam bearings, timing set, freeze plugs, gasket set, oil pump, and lifters.  MABBCO® long blocks are Spin Tested on a computerized engine test stand for proper oil pressure and compression and come complete with the push rods and rocker arms installed and pre-set.  MABBCO® long blocks are sold outright.  NO CORE REQUIRED.

Please note, the year model of your motor may differ from the year model of your boat, please call 1-800-639-2949 for assistance with engine identification.


What is great about MABBCO MOTORS?  Since each MABBCO long block is assembled as ordered you can customize your motor-build through a custom eBay auction.  Call 1-800-639-2949 to add any of the following to your order, and please message or call for current build times:  

2 Bottles of Zinc Additive (RECOMMENDED) 

Upgrade to Moly Rings 

PISTON SPECIAL upgrade to HIGH COMPRESSION Flattop Pistons

Upgrade to COATED Racing Bearings 

Set of 16 Push Rods 

Upgrade to HV Oil Pump

Upgrade to ARP Main Bolts 

Upgrade to ARP Rod Bolts

Upgrade to HIGH PERFORMANCE Marine Camshaft 

GM Oil Filter Adapter (RECOMMENDED)

Steel Intermediate Shaft (RECOMMENDED) 

Oil Screen (5/8 Inlet) 

Upgrade to Steel Crankshaft 

Upgrade to 16 HP Valve Springs 

Upgrade to ELGIN High Performance Push Rods 

Upgrade to ROLLER ROCKERS available for an additional  


Why choose MABBCO MOTORS?  EXPERIENCE – PRECISION – PRIDE

Since its founding in 1964, MABBCO MOTORS has been a leader in providing top quality remanufactured engines.  With over 50 years of EXPERIENCE, MABBCO MOTORS is one of the oldest engine remanufacturing companies you will find on eBay.

MABBCO MOTORS builds the best because MABBCO MOTORS invests in the best equipment available.  Engine blocks are machined on Rottler boring bars and finished honed with diamond hone head.  Crankshafts are turned on world-class Berco and VanNorman crankshaft grinders ensuring you get the finest in PRECISON and accuracy.

Built in the USA, MABBCO MOTORS goes the extra mile to deliver the quality you expect.  Each MABBCO MOTOR is assembled with PRIDE  by an experienced builder.  MABBCO MOTORS' engines are tested and checked to assure customers proper assembly. 

 


We accept VISA, MASTERCARD, DISCOVER, AMERICAN EXPRESS, Cashier's Checks, Money Orders, PayPal and Cash. Call 1-800-639-2949 to make payment. Payment should be received within 7 days of purchase. Orders will not being to be processed until payment is received.



Motors are shipped to a nearby freight terminal or to a commercial address where a lift gate is not required (i.e. the customer has a forklift or other means of unloading).  Shipping is within the continental US ONLY.  Please contact MABBCO at 1-800-639-2949 if shipping to a residence, to a location with limited access, or to a location outside the continental US as additional shipping charges will apply.  Motors are shipped F.O.B Tyler, Texas.  Buyer to pay freight costs.  Motors can also be picked up locally at the Tyler, Texas factory.  Buyer is liable for return shipping on any returns or warranty claims.   



MABBCO Remanufactured Marine Long Blocks carry a 90 Day Product Only Warranty (No Labor or Shipping Allowance).  Call or email for details.

Any warranties on the products(s) sold hereby are those made by the manufacturer. The seller, MABBCO Enterprises, Inc., hereby expressly disclaims all warranties, either expressed or implied, including any warranty of merchantability or fitness for a particular purpose, and MABBCO neither assumes nor authorizes any other person to assume for it any liability in connection with the sale of said products. Any limitation contained herein does not apply where prohibited by law. New and remanufactured items can be returned in unopened, unused condition for refund or replacement within 14 days, subject to a 20% restocking fee. All returns must be accompanied by a return authorization number. Used items are sold as is, no warranty, express or implied. The shipping costs for all returns must be paid by the buyer. It is the sole responsibility of the buyer to properly package any items being returned. Credit will not be given for items that are damaged during return shipping. Any suits arising from the sale of the goods described in this add, must be filed in Smith County, Texas and such suits shall be governed by the laws of Texas.


We are available Monday thru Friday 8am to 5pm  CST at 1-800-639-2949.