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
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