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> MERLIN Short Blocks
MERLIN Short Blocks



Q: How do I get a World Products Engine, Short Block or Rotating Assembly?

A: They are available ONLY from a World Products Engine Builder OR one of our retailers!

Click here to locate one near you!

Now it is easier than ever to buy a World Products’ Engine or Short Block! We have put together a team of Top Engine Builders to build our engines at locations all across the country. All of these Engine Builders have access to our Bills of Material, Dyno Sheets, Technical Info, Parts Numbers & more. They are all qualified to build any of our winning combinations.You can now deal directly with the Engine Builder of your choice about custom options, specific parts & shipping to get the best deal. Simply choose an Engine or Short Block from our website, give the part # to one of our Engine Builders and soon you will have a World Products Engine in your Car, Truck or Boat! Use the Part Number chart below to choose the Short Block. Engine, Rotating Assembly that is best for you. Available in Kit or Fully Assembled ONLY from our Engine Builders. Use the link below to see a list of all our engine builers and choose one today!


GET YOUR WORLD PRODUCTS ENGINE, SHORT BLOCK OR ROTATING ASSEMBLY!

Part# Engine CID. Type Block Dome PRICE*
*Consult the Engine Builder of your choice to discuss pricing, custom options, build details and shipping & warranty info.
108212 MERLIN 468 Assembly Cast iron 48cc BUY NOW
108222 MERLIN 496 Assembly Cast iron 43cc BUY NOW
108224 MERLIN 509 Assembly Cast iron flat top BUY NOW
108225 MERLIN 509 Assembly Cast iron 12cc BUY NOW
108225A MERLIN 509 Assembly Aluminum 12cc BUY NOW
108227 MERLIN 509 Assembly Cast iron 41cc BUY NOW
108227A MERLIN 509 Assembly Aluminum 41cc BUY NOW
108249 MERLIN 540 Assembly Cast iron -15cc BUY NOW
108250 MERLIN 540 Assembly Cast iron 5cc BUY NOW
108250A MERLIN 540 Assembly Aluminum 5cc BUY NOW
108252 MERLIN 540 Assembly Cast iron 46cc BUY NOW
108252A MERLIN 540 Assembly Aluminum 46cc BUY NOW
108259 MERLIN 572 Assembly Cast iron -20cc BUY NOW
108260 MERLIN 572 Assembly Cast iron 15cc BUY NOW
108260A MERLIN 572 Assembly Aluminum 15cc BUY NOW
108262 MERLIN 572 Assembly Cast iron 42cc BUY NOW
108262A MERLIN 572 Assembly Aluminum 42cc BUY NOW
108270 MERLIN 632 Assembly Cast iron -6cc BUY NOW
108270A MERLIN 632 Assembly Aluminum -6cc BUY NOW
108272 MERLIN 632 Assembly Cast iron 33cc BUY NOW
108272A MERLIN 632 Assembly Aluminum 33cc BUY NOW
108312 MERLIN 468 Kit Cast iron 48cc BUY NOW
108322 MERLIN 496 Kit Cast iron 43cc BUY NOW
108324 MERLIN 509 Kit Cast iron flat top BUY NOW
108325 MERLIN 509 Kit Cast iron 12cc BUY NOW
108325A MERLIN 509 Kit Aluminum 12cc BUY NOW
108327 MERLIN 509 Kit Cast iron 41cc BUY NOW
108327A MERLIN 509 Kit Aluminum 41cc BUY NOW
108349 MERLIN 540 Kit Cast iron -15cc BUY NOW
108350 MERLIN 540 Kit Cast iron 5cc BUY NOW
108350A MERLIN 540 Kit Aluminum 5cc BUY NOW
108352 MERLIN 540 Kit Cast iron 46cc BUY NOW
108352A MERLIN 540 Kit Aluminum 46cc BUY NOW
108359 MERLIN 572 Kit Cast iron -20cc BUY NOW
108360 MERLIN 572 Kit Cast iron 15cc BUY NOW
108360A MERLIN 572 Kit Aluminum 15cc BUY NOW
108362 MERLIN 572 Kit Cast iron 42cc BUY NOW
108362A MERLIN 572 Kit Aluminum 42cc BUY NOW
108370 MERLIN 632 Kit Cast iron -6cc BUY NOW
108370A MERLIN 632 Kit Aluminum -6cc BUY NOW
108372 MERLIN 632 Kit Cast iron 33cc BUY NOW
108372A MERLIN 632 Kit Aluminum 33cc BUY NOW


TECHNICAL SPECS

MERLIN BIG BLOCK CHEVY
SHORT BLOCKS
Deck Height: 9.800” (509, 540), 10.200" (572, 632)
Bore/Stroke: 4.500” x 4.000” (509), 4.500" x 4250" (540), 4.500" x 4.500" (572), 4.500" x 4.750" (632)
Main Caps: 4-bolt nodular splayed
Crankshaft: 4340 Eagle/Scat internally balanced
Connecting Rods: 4340 Eagle/Scat w/L19 bolts
Pistons: Manley/Mahle
Piston Rings: Total Seal
Main Bearings: Clevite H Series
Internal Hardware: ARP
Rear Main Seal: 2 Piece
Sleves (Aluminum Blocks): Dry w/ O-Ring

COMPRESSION RATIOS
(calculated with 119cc combustion chamber head, Fel-Pro 1017 gasket, and piston dome as indicated)
509 Street: 9.5:1, 12cc dome
509 Race: 12.8:1, 46cc dome
540 Street: 9.5:1, 5cc dome
540 Race: 13.5:1, 46cc dome
572 Street: 10.8:1, 15cc dome
572 Race: 13.7:1, 42cc dome
632 Street: 10.4:1, -6cc dome*
632 Race: 14.1:1, 33cc dome*
*Compression calculated with Fel-Pro 1057 gasket

Buy Now

MERLIN Short Blocks
MERLIN Short Blocks
 
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