LS Engine Guides & Buying Resources

Guides from CPRParts on LS swaps, LS stroker sizes and LS crate engines, written from the specs in our own catalog. Pick a topic below, or send us a fitment question.

LS strokers

  • What Is a Stroker Kit?

    A stroker kit is the crankshaft, connecting rods, pistons, rings and bearings, matched to a crank with a longer stroke than stock, so each piston travels far...

  • 5.3 383 Stroker vs a 6.0 Swap: Which Makes Sense?

    A 5.3 383 stroker keeps your 5.3 block, has it bored to 3.905 in (if a machine shop's sonic check confirms the cylinder walls allow it) and fits a stroker ki...

  • 408 vs 416 vs 427 LS Stroker: Specs Compared

    A 408, a 416 and a 427 are all LS strokers with a 4.000 in stroke; what separates them is bore size, and so the block each one needs. A 408 uses a 4.030 in b...

LS swaps

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From the CPRParts tech team. Questions? Call 310-427-7486 or email sales@cprparts.com. We ship nationwide.

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