High Density Cast Iron Blocks
Designed Specifically For Racing & High Performance Engines!
World Products blocks are the ideal foundation for your next engine build. They are made in USA.
Loaded with performance and durability enhancing features:
- Cast from special high density cast iron (for increased strength and precision machined on dedicated CNC machining centers)
- Thicker decks and cylinder walls
- Enlarged water jackets
- Low restriction priority main oiling system
- Clearanced for long stroke crankshafts
Blocks available offer the versatility for building a wide array of engine configurations.
The following are some of the many World Products Engine Blocks available.
SBF:
Man O’War
Cam & Lifter: Standard
| Part # | Deck Ht. | Bore | Caps | Mains |
| 087020 | 8.2 | 4.12 | Nodular | 2.248″ |
| 087172 | 9.5 | 3.995 | Billet | 2.749″ |
BBC:
Merlin III
Can be bored to a maximum of 4.625” and is clearanced for a 4.750”
| Part # | Deck Ht. | Bore | Caps | Cam | Lifters |
| 081100 | 9.8 | 4.245 | Nodular | Std. | Std. |
| 081101 | 9.8 | 4.495 | Nodular | Std. | Std. |
| 081101-55 | 9.8 | 4.495 | Nodular | 55 mm | 0.904 |
| 081105 (Gen VI*) | 9.8 | 4.495 | Nodular | Std. | Std. |
| 081111 | 10.2 | 4.495 | Nodular | Std. | Std. |
| 085010 | 9.8 | 4.495 | Billet | Std. | Std. |
| 085010-55 | 9.8 | 4.495 | Billet | 55 mm | 0.904 |
| 085012 | 9.8 | 4.595 | Billet | Std. | Std. |
| 085110 | 10.2 | 4.495 | Billet | Std. | Std. |
| 085112 | 10.2 | 4.595 | Billet | Std. | Std. |
| 085112-55 | 10.2 | 4.595 | Billet | 55 mm | 0.904 |
SBC:
Motown II
Can be bored to a maximum of 4.200” and is clearanced for a 4.00” crank.
The RC features a +.134” raised cam location which allows the use of a 4.000” stroke with H-beam rods and a 50 mm cam.
The LS features a +.134” raised cam location which allows the use of a 55 mm babbit cam and a 4.000’ stroke crank.
| Part # | Deck Ht. | Bore | Caps | Cam | Lifters | Mains |
| 084020 | 9.025 | 4.120 | Nodular | 2″ | Std. | 350 |
| 084030 | 9.025 | 4.120 | Nodular | 2″ | Std. | 400 |
| 084120 | 9.025 | 4.120 | Billet | 2″ | Std. | 350 |
| 084130 | 9.025 | 4.120 | Billet | 2″ | Std. | 400 |
LS & RC: **
| Part # | Deck Ht. | Bore | Caps | Lifters | Mains |
| 084080 | 9.240 | 3.995 | Nodular | 0.842 | 350 |
| 084081 | 9.240 | 4.120 | Nodular | 0.842 | 350 |
| 084180 | 9.240 | 3.995 | Billet | 0.842 | 350 |
| 084181 | 9.240 | 4.120 | Billet | 0.842 | 350 |
| 084120RC | 9.025 | 4.120 | Billet | 0.842 | 350 |
High Density Cast Iron Cylinder Heads
Designed Specifically For Racing & High Performance Engines!
Far superior to OE castings.
Cast from special high density cast iron for increased strength and precision machined on dedicated CNC machining centers.
World Products cylinder heads are available bare or assembled with premium quality valves, springs and components to simplify your engine building.
Following are some of the many World Products cylinder heads available.
SBF: 20º Heads
Windsor Jr. – Improved Performance Replacement
58cc Chamber Volume, 180 cc Intake Port, 1.940/1.600 Intake/Exhaust Valves
P/N #053030 (Bare)
P/N #053030-1 (1.250” v/springs for hydr. flat tappet cams)
P/N #053030-2 (1.437” v/springs for solid flat tappet or hyd. roller cams)
Windsor Sr. – High Performance Replacement
64cc Chamber Vol., 200 cc Intake Port, 2.020/1.600 Intake/Exhaust Valves
P/N #053040 (Bare)
P/N #053040-2 (1.437” v/springs for solid flat tappet or hyd.roller cams)
BBC:
Merlin – Performance Style 24º Heads
119cc Chamber Volume, 2.300/1.880 Intake/ Exhaust Valves,
Oval Port – With 269 cc Intake Port
P/N #030040 (Bare)
P/N #030040-1 (1.550” v/springs for hyd. flat tappet cams)
P/N #030040-2 (1.550” v/springs for solid flat tappet or hyd. roller cams)
Rectangle Port – With 320 cc Intake Port*
P/N #030620 (Bare)
P/N #030620-1 (1.550” v/springs for hyd. flat tappet cams)
P/N #030620-2 (1.550” v/springs for solid flat tappet or hyd. roller cams)
Also available with 345cc intake port.
SBC:
S/R
Stock Replacement Style 23º Heads
Also available with 67/76 cc chambers.
58 cc Chamber Vol., 170cc Intake Port, 1.940/1.500 Intake/
Exhaust Valves, Str. plugs
P/N #042650 (Bare)
P/N #042650-01 (1.250 v/springs)
S/R Torquer
Improved Stock Replacement Style 23º Heads
170cc Intake Port, 2.020/1.600 Intake/ Exhaust Valves, Str. plugs
67 cc Chamber Vol.:
P/N #042660 (Bare)
P/N #042660-01 (1.250 v/springs for hyd. flat tappet cams)
76 cc Chamber Vol.:
P/N #042670 (Bare)
P/N #042670-01 (1.250 v/springs for hyd. flat tappet cams)
Motown 220
Racing Style 23º Heads
220cc Intake Port, 2.080/1.600 Intake/ Exhaust Valves
64 cc Chamber Vol.:
P/N #014150 (Angle plugs, bare)
P/N #014150-2 (Angle plugs, 1.437 v/springs for solid flat tappet or hyd. roller cams)
P/N #014250 (Str. plugs, bare)
P/N #014250-2 (Str. plugs, 1.437 v/springs for solid flat tappet or hyd. roller cams)
Sportsman II
The First True Aftermarket Performance Style 23º Heads!
200 cc Intake Port, 2.020/1.600 Intake/ Exhaust Valves
50 cc Chamber Vol.:
P/N #011150-50 (Angle plugs,bare)
64 cc Chamber Vol.:
P/N #011150 (Angle plugs, bare)
P/N #011150-2 (Angle plugs,1.437 v/springs for solid flat tappet or hyd. roller cams)
P/N #011250 (Str. plugs, bare)
P/N #011250-2 (Str. plugs,1.437 v/springs for solid flat tappet or hyd. roller cams)
72 cc Chamber Vol.:
P/N #012150 (Angle plugs, bare)
P/N #012150-2 (Angle plugs,1.437 v/springs for solid flat tappet or hyd. roller cams)
P/N #012250 (Str. plugs, bare)
P/N #012250-2 (Str. plugs,1.437 v/springs for solid flat tappet or hyd. roller cams)
