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GM PERFORMANCE · GMP-22551788GM Performance · GMP-22551788GM Performance Engine Block, Cast Iron, 4-BOLT Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main (GMP-22551788)
$6,497
incl. GST · ships AU-wide● Made to orderWe confirm availability with our supplier when you order.
GM Performance Engine Block, Cast Iron…$6496.94
Made to order · availability confirmed when you order
Specifications
On the spec sheet.
Spec sheet coming — contact support for full spec details. Fitment
Will this fit?
Fitment data still being indexed for this product. Ask BuildBot for a fit-check against your vehicle.
Pairs well with
Other parts in this build.
© 2026 TrackTheory · ABN 33 689 482 504Built in Adelaide · Shipping AU-wide
