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350 CU. IN. 3.750 Stroke 3.00 Main Journal Stock Bore 3.875 30 over 3.905 60 over 3.935 Factory Ring Thickness 5/64 5/64 3/16 Aftermarket Ring Thickness 1/16 1/16 3/16

389 Block

Factory Bore 4.062" 3.75" Stroke 2.250" Rod Journal 3.00" Main Journal

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389 Block

389 CU. IN. 3.750 Stroke 3.00 Main Journal Stock Bore 4.062 30 over 4.092 60 over 4.122 Factory Ring Thickness 5/64 5/64 3/16 Aftermarket Ring Thickness 1/16 1/16 3/16

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400/428 Blocks

400 CU. IN. 3.750 Stroke 3.00 Main Journal 428 CU. IN. 4.000 Stroke 3.25 Main Journal Stock Bore 4.120 30 over 4.150 60 over 4.180 Factory Ring Thickness 5/64...More Details »

455 Block

Factory Bore 4.151" 4.210" Stroke 2.250" Rod Journal 3.25" Main Journal

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455 Block

455 CU. IN. 4.210 Stroke 3.25 Main Journal Stock Bore 4.151 30 over 4.181 60 over 4.211 Factory Ring Thickness 5/64 1/16 3/16 Aftermarket Ring Thickness 1/16 1/16 3/16

Hydraulic Flat Tappet Lifters

Hydraulic Flat Tappet Lifters - These feature a plunger inside the lifter that allows oil to pressurize it. This allows a cushion of sorts that self adjusts and maintains zero lash. It also helps...More Details »

Solid Flat Tappet Lifters

Solid Flat Tappet Lifters - These lifters have no internal hydraulic mechanism to take up clearance. They require valve lash, or the clearance needed for the lifter to unload when the cam comes...More Details »

Items 1-8 of 8