Description: THIS AUCTION IS FOR A COMPLETELY REBUILT 4 BOLT MAIN 496 CUBIC INCH,WOW!!!!! (MARK IV, 454 4 BOLT BLOCK WITH A 2 PIECE REAR SEAL, 9.800 DECK) CHEVROLET STROKER ENGINE.OUR BLOCKS ARE MACHINED ON OUR BRAND NEW RMC V40 FULLY AUTOMATIC CNC MACHINE FOR THE TIGHTEST AND BEST FINISH PRODUCT HERE ON E BAY OR ANYWHERE!!! THE WORK PREFORMED TO THIS ENGINE IS AS FOLLOWS: 1. THIS BLOCK HAS BEEN OVEN CLEANED(HAS NO RUST OR SCALE), SHOT PEENED, MAGNAFLUXED AND PRESSURE TESTED. 2. THE BLOCK IS FRESHLY BORED AND TORQUE PLATE MOLY HONED TO .060. ALL BLOCKS ARE ALSO SONIC CHECKED TO ENSURE CONCENTRIC CYLINDER WALL THICKNESS AFTER BORING AND HONING. 3. THE BLOCK HAS BEEN LINE HONED, SQUARE DECKED, AND NEW CAM BEARINGS INSTALLED ALONG WITH NEW BRASS FREEZE PLUGS. ALL BOLT HOLES AND THREADS ARE FINE. 4. THIS ENGINE HAS A BRAND NEW SET OF FULL DOME LIGHTWEIGHT, FULLY CNC MACHINED WISECO FORGED RACING PISTONS AND SPEED PRO PLASMA MOLY RINGS ( 1/16, 1/16, 3/16 OIL) THESE PISTONS YEILD A 12.00:1 COMPRESSION RATIO. WISECO IS AN INDUSTRY LEADER IN RACING PISTONS. 5. NEW KING H BEARINGS FOR RODS AND MAINS, ROD AND CAMSHAFT BEARINGS WERE INSTALLED. THE CAMSHAFT IS A NEW CRANE WOLVERINE AND WITH A TRUE CLOYES DOUBLE ROLLER CHAIN SET. THIS CAMSHAFT IS A SOLID MECHANICAL ROLLER LIFTER RUMPY GRIND .705/.723 LIFT, 256/270 DEGREE DURATION @.050 ON BOTH THE INTAKE AND EXHAUST AND IT IS GROUND ON 108 DEGREE LOBE SEPERATION. THIS CAMSHAFT HAS A DISTINCT LOPY IDLE AND IS DESIGNED TO MAKE MAXIMUM POWER IN THE 3200-7500 RPM RANGE. INSTALLED ALONG WITH THE CAMSHAFT IS A NEW SET OF CRANE SOLID MECHANICAL ROLLER LIFTERS. 6. RODS ARE BRAND NEW PRO-COMP ENTERPRISES FORGED STEEL H BEAM CAP SCREW WITH 7/16 BOLTS AND FULL FLOATING WRIST PINS. THE RODS ARE 6.385 (STOCK ROD LENGTH IS 6.135) THESE RODS ARE .250 LONGER THAN STOCK. THE INCREASE IN ROD LENGTH PRODUCES LESS SIDE LOAD ON THE PISTON WHICH RESULTS IN LESS FRICTION AND GREATER HORSEPOWER AND TORQUE THROUGHOUT THE RPM RANGE. 7. THE CRANKSHAFT IS BRAND NEW AIRCRAFT QUALITY PRO-COMP 4340 STEEL 4.250 STROKE 2 PIECE REAL SEAL CRANKSHAFT.THE CRANKSHAFT IS SHOT PEENED FOR STRESS RELIEVING AND HAS A FULL .125 RADIUS ON THE MAINS AND ROD JOURNALS!, THIS CRANKSHAFT IS ALSO INTERNALLY BALANCED AND IS THE BEST OF THE BEST!!(4.250 STROKE, 1/4 INCH LONGER THEN STOCK 454), FRESHLY MICRO POLISHED AND IS STANDARD ON THE ROD AND MAIN JOURNALS. 8. THIS ENGINE IS FULLY BALANCED ON OUR NEW RMC COMPUTER BALANCER AND IT IS ALSO BLUEPRINTED. PISTONS, RODS AND CRANKSHAFT ARE BALANCED TO LESS THEN 1 GRAM. ( MOST MACHINE SHOPS ONLY BALANCE TO A 5 GRAM SPREAD) BEARING CLEARANCES WERE SET AT .003 ON BOTH THE MAINS AND RODS. 9. THE CYLINDER HEADS ARE NEW PRO-COMP THAT ARE CNC PORTED ALUMINUM RECTANGLE PORT. HEADS HAVE BEEN ASSEMBLED WITH NEW STAINLESS STEEL SWIRL POLISHED VALVES (2.25 X 1.88). THESE VALVES ARE 11/32 STEM AND .250 LONGER THEN STOCK, A NEW SET OF TRIPLE VALVE SPRINGS AND CROMOLY RETAINERS WITH HARDENED LOCKS AND A NEW SET OF PC SEALS. THESE HEADS ALSO HAVE NEW STAINLESS STEEL 1.7 RATIO FULL ROLLER ROCKER ARMS, NEW PUSHRODS, NEW ROCKER STUDS ,GUIDEPLATES AND A NEW SET OF 12 POINT CHROMALLOY CYCLINDER HEAD BOLTS WITH TEFLON TAPE FOR BEST SEAL!!!. 10. THIS ENGINE MAKES 845HP @5400RPM AND TORQUE IS 760LBS @5500 ALL DONE ON 100 OCTANE GAS WITH A SINGLE PLANE 1050CFM DOMINATOR HOLLEY CARB!!!THIS ENGINES DOES NOT COME WITH OIL PUMP,OIL PAN, TIMING COVER OR BALANCER.THIS ENGINE IS NOT FOR THE WEEK HEART!!! ENGINE CAN HANDLE LOTS OF NITRUS (NOS).THIS ENGINE BEST DESCIBED IS EARTH SHAKING FIRE BREATHING HORSE POWER, NO COMPUTER HORSE POWER HERE!! I HAVE A LOCAL GUY WITH ONE OF THESE ENGINES IN A 1971 VEGA WITH NOS AND RUNS IN THE 9'S IN A QUATER MILE AND IS OUR LOCAL BULLY AND A GREAT CAR TO HAVE ONE OF OUR ENGINES IN!!. 11. THIS ENGINE HAS BEEN COMPLETLY ASSEMBLED AND IT IS READY TO ADD ACCESSORIES AND RUN. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!BUY, PAY TODAY WE SHIP TODAY!!!!!!!!!!!!!!!!!!!!! THIS ENGINE IS READY RUN AT NO RISK. WE ARE A FULL SERVICE MACHINE SHOP WITH OVER 55 YEARS IN BUSINESS. FEEL FREE TO ASK QUESTIONS WE WILL ANSWER. DON'T SETTLE FOR SOMEONE TRYING TO SELL YOU A 2 BOLT MAIN BLOCK, CHEEP HYPEREUTECTIC CAST PISTONS OR NO NAME INTERNAL COMPONENTS, INSIST ON ONLY THE FINIST QUALITY FOR YOUR STREET OR RACE CAR. BID WITH CONFIDENCE IT REALLY IS AS NICE AS I DESCRIBED IN THE AUCTION. BID EARLY AND HIGH IF YOU WANT IT.I WILL ANSWER ALL QUESTIONS. THANKS FOR LOOKING. SquareTrade © AP6.0 Please feel free to ask any and all questions directly thru ebay messaging system, I will answer all questions, I want you happy!!. I cant include personal contact information its against ebay policy, After purchase on ebay we can exchange contact information as needed.
Price: 8999.99 USD
Location: Fresno, California
End Time: 2024-08-07T14:58:29.000Z
Shipping Cost: 550 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Interchange Part Number: 496
Manufacturer Part Number: GM
Warranty: Yes
Vintage Car Part: Yes