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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Kits include: Fully assembled aluminum cylinder heads
Chrome finish for long-lasting good looks
Replaces Part Number:‰ SUM-G3501BThe oil pan serves as the reservoir for the engine's oil
Speedmaster high-volume oil pumps give you an additional 20 to 25 percent of much-needed oil volume for your performance application
Upgrade your transmission with the Speedmaster heavy-duty forward clutch hub
Chevy LS1 4.125" 393ci Forged Rotating Assembly Kit [3.905] Kits include: Fully assembled aluminumSpeedmaster Chevy LS1 rotating assembly featuring a precision ground forged 4340 steel crankshaft, 4340 chromoly H beam connecting rods, and forged flat top pistons matched to your bore size.
