Kit Includes:
(1) Speedway 1966-90 GM A-Body/B-Body/Truck Aluminum Radiator
(1) LS Swap Radiator Hose Adapter w/ Steam Port, 1.5 Inch – 1.25 Inch
(1) Holley 302-3 LS Swap Retro-Fit Oil Pan w/302-15 Dipstick/Gasket Kit
Speedway 1966-90 GM A-Body/B-Body/Truck Aluminum Radiator
All aluminum radiators features two rows of 1″ tubes
All welded construction
Includes a built-in transmission cooler
Fan and shroud assemblies available separately
Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.
LS Swap Radiator Hose Adapter w/ Steam Port, 1.5 Inch – 1.25 Inch
Runner-Up for the 2020 SEMA Best New Street Rod/Custom Car Product Award!
If you’ve decided to add modern power to your ride using an LS series engine, this LS Steam Port Radiator Hose Adapter is the perfect way to protect your investment and ensure proper cooling system function.
We wanted to offer a solution for the budget-minded builder that also kept aesthetics in mind. Instead of an inline hose adapter with an NPT bung for you to plumb in your own fittings, which can look like junkyard parts hacked together and is susceptible to leaks, we created a unique LS Steam Vent Radiator Hose Adapter. This adapter makes quick work of several LS swap radiator hose issues with one simple piece. It features one 1.25″ end to match the water pump outlet, one 1.5″ end to match the upper radiator inlet, an integrated streamlined 1/4″ 90° hose barb fitting for the steam line, and a black finish to blend in with radiator hoses.
1.25″ end – matches water pump outlet size
1.50″ end – matches upper radiator inlet size
Black finish blends in with radiator hoses
Unlike the older SBC or BBC, the LS engine family features a thermostat that is located in the water pump housing. While this design allows for temperature and flow to be regulated before the coolant enters your engine, having the thermostat at a low point means that any air in the cooling system can easily get trapped in your engine. Air bubbles in cooling passages disrupt coolant flow, create hot-spots, and can cause overheating issues, pre-ignition, and detonation. None of these are things that your new (or used) LS will stand up to for very long without damage. Fortunately, there are steam ports in the heads that allow this trapped air to flow away from critical cooling locations to a high point outside of the cylinder heads. Since these engines utilize a closed pressurized cooling system, the steam tubes must be connected back into it at some point. Stock radiators in vehicles produced with LS engines feature a port to connect the steam lines to, and a direct-fit LS swap radiator with steam port provision is likely available for your ride – at a high price tag. This piece allows you to spend less of your hard-earned cash on a cooling solution without sacrificing appearance under the hood.
Holley 302-3 LS Swap Retro-Fit Oil Pan w/302-15 Dipstick/Gasket Kit
Holley is proud to announce that they have taken their LS Retro-fit oil pans to the next level! The Holley 302-3 Oil Pan has more sump clearance, includes two 1/2″ NPT oil return bosses, and can clear a 4.00” stroke crankshaft. Just like the 302-2, the new designed 302-3 will fit the 1955-87 GM Muscle Cars and Trucks that need a little more clearance in the front of the oil pan. However, the new design will also fit the Ford Fox body OEM K-member and was designed to clear the Fox Body rack and pinion too. It’s a win-win for more LS conversions.
Features:
Designed for LS engine retrofit installations in GM muscle/classic car and truck chassis requiring more oil pan to chassis clearance around the front half of the oil pan
Profile of the sump has been revised to provide extra chassis and steering rack clearance
Perfect for: 1968-74 Nova/Apollo/Ventura/Omega and 1964-72 A-body applications
NOTE – Oil pan #302-3 will clear a 4.00” stroke crankshaft.
Includes two ½-14” NPT oil return ports to provide a convenient oil return for turbochargers. (one port on each side)
Provides OEM fitment – OEM oil filter mounting, OEM oil cooler port provision, OEM engine NVH suppression, OEM flange gasket and sealing, proper structural rigidity and OEM bell-housing attachments
Traditional high-quality cast aluminum appearance with clean exterior styling
Provides maximum clearance for vehicles where the steering linkage is behind the engine cross member
Complete kit includes sump baffle, OE style pick-up tube, sump plug, oil filter stud, oil passage cover, drain plug, dipstick, gasket, etc.
Application
Radiator Applications:
1968-72 Chevelle/Malibu
1970-77 Monte Carlo
1974-77 Buick Regal
1966-77 Olds Cutlass
1966-77 Pontiac Grand Prix
1968-77 Pontiac LeMans/GTO
1972-79 Chevy Impala, Caprice, Bel Air, and Biscayne
1973-90 Chevy/GMC Truck
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