THIS AUCTION IS FOR A COMPLETLEY REBUILT 4 BOLT MAIN 496 CUBIC INCH!!!!!  (MARK IV, 454 4 BOLT BLOCK 2 PIECE REAR SEAL, 9.800 DECK) CHEVROLET STROKER SHORT BLOCK.OUR BLOCKS ARE MACHINED ON OUR BRAND NEW RMC V40 FULLY AUTOMATIC CNC MACHINE FOR THE TIGHEST 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 ENSHURE 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 SHORT BLOCK HAS  A BRAND NEW  SET OF LIGHTWEIGHT, FULLY CNC MACHINED WISECO FORGED RACING PISTONS AND SPEED PRO PLASMA MOLY RINGS , WHICH WILL YEILD 11.50:1 COMPRESSION WITH A CLOSED CHAMBER HEAD AND 10.00:1 WITH AN OPEN CHAMBER HEAD, PERFECT FOR PUMP GAS. WISECO IS AN INDUSTRY LEADER IN RACING PISTONS. 

5. BRAND NEW KING H CUT MAIN AND ROD BEARINGS WERE INSTALLED, ( NO CHEAPO WHITE BOX NO NAME REBUILDER COMPONENTS HERE)  

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 THEN 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  PRO COMP 4340 FORGED STEEL CRANKSHAFT.THE CRANKSHAFT IS SHOT PEENED FOR STRESS RELIEVING AND HAS A NICE .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 MICROPOLISHED AND STANDARD ON THE ROD AND MAIN JOURNELS. 

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) PISTONS HAVE BEEN CLEARENCED TO ACCEPT UP TO A .760 LIFT ON BOTH THE INTAKE AND EXHAUST SIDE. BEARING CLEARENCES WERE SET AT .003 ON BOTH THE MAINS AND RODS.THIS ENGINE WILL PRODUCE 575HP AND GOOD TO 8000RPM 

  THIS SHORT BLOCK HAS NO CAM. WE ARE A FULL SERVICE MACHINE SHOP WITH OVER 65 YEARS IN BUSINESS. INSIST ON ONLY THE FINEST QUALITY FOR YOUR STREET OR RACE CAR BID EARLY IF YOU WANT IT. FREE .SHIPPING ANYWHERE IN THE USA 48 STATES IF PAID WITH ANY KIND OF CHECK SO I HAVE NO PAY PAL FEES.  I WILL ANSWER ALL QUESTIONS. THANKS FOR LOOKING.

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