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On Sale
Gator Fasteners main stud kits are designed for stock to performance built engines. When building a high horsepower Cummins engine, the factory main bolts can only handle so much power. Factory bolts can stretch and unfortunately cause what's called main cap walk or loss of torque. Both these conditions can contribute to major engine issues. These heavy-duty main studs eliminate these issues and add strength to the bottom end of your engine. When it comes to reliable engine assembly, don't get caught with sub-par parts. Gator studs are what you need! Each stud has rolled threads and is constructed from 8740 steel with an added proprietary element for the ultimate in durability and high-tensile strength. Order the Gator stud kit designed for your application.
( 1 )
$224.99
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$414.99
$202.49
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$373.49
On Sale
When it comes to Ford 302/351 replacements, these Man O'War bare blocks are without a doubt the most advanced cast iron blocks on the market today. They were designed in collaboration with leading Ford race teams, yet are also engineered for 100 percent reliability on the street. Like the original Man O' War, they deliver performance!
( 1 )
$4,494.05
$4,044.64
On Sale
World Products Motown blocks are a great starting point for your performance engine. They feature many improvements over factory castings, including thicker cylinder walls, nodular iron main caps, and special bosses for front-feed oil systems. They will clear strokes up to 4.00 in. without clearancing and are available in different main and bore sizes to suit your needs.
( 1 )
$4,736.26
$4,262.63
On Sale
World Products has made improvements to virtually every area of the new Merlin IV engine blocks—with the goal of producing the most technologically advanced and best-performing iron BBC block available today! New features include thicker main webs for increased strength and thicker cylinder walls which are nominally .310 in. @ 4.600 in. bore. In addition to the standard BBC 9.800 in. and 10.200 in. deck heights, new heights measuring 9.500 in., 9.850 in. and 10.250 in. are now available. The World Products Merlin IV engine blocks are also available with a 2.120 in. BBC cam journal and standard .842 in. lifter bores, or with a 2.283 in. journal for a 55mm Babbitt cam and .904 in. lifter bores. World Products has added a front oil feed for dry sump systems, and relocated the lifter oil feeds and restrictor provisions to the front of the blocks.
( 3 )
$3,842.02
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$5,173.48
$3,457.82
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$4,656.13
On Sale
World Products has improved virtually every area of the new Merlin Gen VI engine blocks, producing one of the most technologically advanced and best-performing iron BBC engines available today! New features on these big block Chevy engines include thicker main webs for increased strength and thicker cylinder walls (nominally .250 in. @ 4.600 in. bore). They can utilize OE roller lifters or +0.300 in. tall aftermarket tie bar lifters. The World Products Merlin Gen VI engine blocks also include a standard Mark IV fuel pump boss for those wanting to keep a mechanical fuel pump.
( 1 )
$3,842.02
$3,457.82
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