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BILLET STEEL MAIN BEARING CAPS

C.A.T. main bearing caps are manufactured from billet steel with CNC machine finishing on bore and bolt holes for accurate positioning. C.A.T. main caps either for OEM replacement or conversion a original 2 bolts main to 4 bolts the increasing of material strength will reinforce the Capture Strength of main caps to withstand huge simultaneously impact force and higher momentun strength form cylinder explosion by muscle up the engine. Anodized surfaces resist rust for extend useful life. These billet steel caps are for racing applications.

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(1 - 100)
Part No.
Application
Description
Price
Qty
Select
GM/Chevy
MB-346
GM LS1/LS6/VORTEC
Flat bottom convert to 4 bolts straight, 5centers, '97-06
140
MB-350SS
GM 305/350
Step bottom with 2 bolts register convert to 4 bolts with 22 degree splayed, 3centers, '66-92
84
MB-400SS
GM 400
Step bottom with stock register convert to 4 bolts with 18 degree splayed, 3centers, '70-80
94
MB-454OR
GM 454
Flat bottom 4 bolts OEM replacement, 4centers, '70-00
112.5
MB-454S
GM 396/427/ 454
Step bottom stock register convert to 4 bolts straight, 4centers, '70-00
112.5
Ford
MB-302F
FORD 289/302
Flat bottom 2 bolts straight OEM replacement 3centers, '68-01
84
MB-302SS
FORD 289/302
Flat bottom convert to 4 bolts with 17 degree splayed, 3centers, '68-01
94
MB-351SS
FORD 351W
Flat bottom convert to 4 bolts with 17 degree splayed, Sportman/SVO, 3centers, '69-97
94
MB-351W4
FORD 351W
Step bottom with 2 bolts register convert to 4 bolts straight, 3centers, '69-97
94
MB-460
FORD 429/460
Step bottom with 2 bolts register convert to 4 bolts with 17 degree splayed, 3centers, ‘68-97
94
Mopar
MB-440
MOPAR 383-440
Flat bottom 2 bolts OEM replacement, 3centers, '59-80
94