Page 168 - Repower Reference Guide (2020) 8M0149179

QUICKSILVER REMANUFACTURING CIRCLE TRACK ENGINES

QUICKSILVER REMANUFACTURING CIRCLE TRACK ENGINES

357 CT - CIRCLE TRACK - CRATE ENGINE 383 CT - CIRCLE TRACK - CRATE ENGINE

8M0156572 8M0156573
357 CT – Circle Track Crate Engine. 350 HP @ 5000 RPM & 407 ft‑lbs @ 3600 383 CT – Circle Track Crate Engine. 375 HP @ 5100 RPM & 455 ft‑lbs @ 3600
RPM. This engine is not safety nor emission certified for on‑street or on‑highway RPM. This engine is not safety nor emission certified for on‑street or on‑highway
use. use.
Not for Marine Applications Not for Marine Applications
Engine Features: Engine Features:
• Remanufactured GM 5.7L 2‑bolt main iron engine bored 0.040" to 5.8L or 357 • Remanufactured GM 5.7L 4‑bolt main iron engine bore 0.030" over to 6.3L or
cu in 383 cu in
• Mains are line bored with crank bearings in place • Mains are line bored with crank bearings in place
• Cylinder are CNC machined with torque plate installed • Cylinder are CNC machined with torque plate installed
• Block drilled for mechanical fuel pump with block‑off plate installed • Block drilled for mechanical fuel pump with block‑off plate installed
• Remanufactured 3.48" stroke nodular iron crankshaft with single piece rear • 3.75" stroke 4340 forged steel crankshaft with single piece rear main seal
main seal • 9.0:1 hypereutectic pistons
• 9.4:1 cast pistons • Performance billet steel roller camshaft & hydraulic roller lifters MERCRUISER
• Performance billet steel roller camshaft & hydraulic roller lifters • Cast iron cylinder heads with 3 angle valve cut
• Cast iron cylinder heads with 3 angle valve cut • 1.94" 21‑2N stainless steel intake valves
• 1.94" 21‑2N stainless steel intake valves • 1.50" 21‑4N stainless steel exhaust valves
• 1.50" 21‑4N stainless steel exhaust valves • 1.6:1 full roller rocker arms & beehive springs
• 1.5:1 stamped rocker arms with Kool Nuts • Dual breather valve cover
• Dual breather valve cover • 6" SFI approved harmonic balancer
• 6" SFI approved harmonic balancer • 6 QT circle track oil pan
• 6 QT circle track oil pan • 100 psi high flow oil pump
• 60 psi high flow oil pump • Edelbrock 8‑bolt dual‑plane aluminum intake manifold
• Edelbrock 8‑bolt dual‑plane aluminum intake manifold • Factory serialized & sealed: intake, front cover, oil pan
• Factory serialized & sealed: intake, front cover, oil pan • 6,100 maximum RPM
• 5,500 maximum RPM • Quicksilver 25w40 Performance Racing Oil is recommended
• Quicksilver 25w40 Performance Racing Oil is recommended • No warranty
• No warranty • No core charge
• No core charge • No container charge
• No container charge 375 HP Remanufactured Circle Track Engine
350 HP Remanufactured Circle Track Engine
HARMONIC BALANCER

8M0158995
Low mass SFI approved 6" diameter harmonic balancer used on 357 & 383 CT
engines. Fasteners sold separately. Not for marine use.
357 CT & 383 CT
VALVE SPRING KIT-383

8M0120862
Includes 16 valve springs, 16 keepers, and 16 valve stem seals.
383 CT engine
VALVE SPRING KIT-357
8M0167616
Includes 16 valve springs, 16 keepers, and 16 valve stem seals.
357 CT engine

2020 Mercury/Quicksilver Repower Product Guide 151