Deck Heights: 8.200″, 8.700″, 9.200″ or 9.500″
Main Bearing Size: 2.249″ 302 or 2.749″ 351C
Weight: 83 lb (8.2 Deck), 88 lb (8.7 deck),91 lb (9.2 deck), 93 lb (9.5 Deck)
Bore Size: 4.125″ Unfinished
Maximum Bore: 4.165″
Maximum Recommended Stroke: 4.250
Camshaft Journal & Position: Standard Ford
Cam Bore: 2.200″
Deck Thickness: .675″
Sleeve OD: 4.300″
Sleeve Thickness: .087″
Sleeve Length: 5.850″
Sleeve Press Fit: .0005″ – .001″
Standard 351 Windsor timing chain, timing cover, gear or belt drive can be used.
Actual deck height will be .001” – .005” taller for additional machining requirements.
Standard 351W oil pump fits correctly even with the 4 bolt front main cap.
When initially removing main caps, the caps and block should be deburred before reinstalling.
This will insure that correct main size is maintained.
Cam bearings, screw-in 1 5/16” (1.312”) freeze plugs, pipe plugs, dowels and 2 3/8” cam plug are
provided with block kit PN# 32000004.
1/2″ HEAD STUDS
Stud length in block is 1.780” (1.480” thread + .300” bullet)
You must use DART head studs with this amount of thread, bottom length and bullet. Call for correct
application.
.375” OD x .300” deep Head stud holes are blind. They do not go into the water jacket.
A sealant/anti seize must be used on the head studs. Locktite #620 is recommended.
Studs should never be torqued into the block. They should only be lightly snugged.
The cam bearings have 5 different I.D.s to fit the stock ford cam journals but common O.D.s.
| POSITION | BRG# | PART# | CAM OD |
|---|---|---|---|
| Front #1 | B384 | 32210051 | 2.081” |
| #2 | B385 | 32210061 | 2.066” |
| #3 | B386 | 32210071 | 2.051” |
| #4 | B387 | 32210081 | 2.036” |
| Rear #5 | B388 | 32210091 | 2.021” |
Complete Cam Bearing Set 32210041
Cam bearing sets for cams with common 2.081” size on all journals are available from Dart or
Durabond # 351RHP. Block uses set screws as a fail safe for retaining cam bearings.
Dart Block PN’s
31344175 – 302 Std. Deck Steel 302 8.200 4.000
31344275 – 302 Std. Deck Steel 302 8.200 4.125
31344185 – 302 Tall Deck Steel 302 8.700 4.000
31344285 – 302 Tall Deck Steel 302 8.700 4.125
31344195 – 351 W Short Deck Steel 302 9.200 4.000
31344295 – 351 W Short Deck Steel 302 9.200 4.125
31345195 – 351 W Short Deck Steel 351C 9.200 4.000
31345295 – 351 W Short Deck Steel 351C 9.200 4.125
31345135 – 351 Std. Deck Steel 351C 9.500 4.000
31345235 – 351 Std. Deck Steel 351C 9.500 4.125
