Get the Torque to Win Races and the Reliability to Win Championships with a Quicksilver Circle Track Engine

If you’re looking for a powerful, reliable way to get your race car on the track, look no further than a Quicksilver Circle Track Crate Engine.

Their 357, 383, and 409 small block Chevy race engines provide strong torque curves for explosive acceleration out of the turns. The engines are built with heavy-duty components to enhance durability and reliability. That means lower maintenance costs over multiple racing seasons.

Each Quicksilver Circle Track Crate Engine ships with fresh fill of Quicksilver 25W40 Synthetic Blend Performance Racing Oil. They also have factory seals on the intake, front cover, oil pan, and cylinder heads, so they are compliant with many popular stock-class racing rules as delivered.

357 CID/350 Horsepower Circle Track Crate Engine
• 407 lbs.-ft. of torque, 6,100 RPM redline
• 4.040" cylinder bore and 3.48" stroke
• 9.4:1 compression ratio
• GM Gen+ remanufactured cast iron block with four-bolt mains and one-piece rear main seal
• Cross plane nodular iron crankshaft and cast alloy pistons
• High-flow 60 psi oil pump
• Six-quart rear-sump oil pan with kickout
• Hydraulic roller camshaft
• Quicksilver cast iron cylinder heads with 1.94"/1.50" stainless steel intake/exhaust valves and beehive valve springs
• 1.5 stamped steel rocker arms with Crane Cams Kool Nuts rocker arm nuts
• Edelbrock dual plane carbureted intake manifold
• Dual breather valve covers and timing cover
• 6" SFI-approved harmonic balancer

383 CID/400 Horsepower Circle Track Crate Engine
• 440 lbs.-ft. of torque, 6,100 RPM redline
• 4.030" cylinder bore and 3.75" stroke
• 9.0:1 compression ratio
• GM Gen+ remanufactured cast iron block with four-bolt mains and one-piece rear main seal
• Cross plane 4340 forged steel crankshaft and hypereutectic pistons
• High-flow 100 psi oil pump
• Six-quart rear-sump oil pan with kickout
• Hydraulic roller camshaft
• Quicksilver aluminum cylinder heads with 2.02"/1.60" Black-X intake/exhaust valves and beehive valve springs
• 1.6 full roller adjustable shaft mount rocker arms
• Edelbrock single plane high-rise carbureted intake manifold
• Dual breather valve covers and timing cover
• 6" SFI-approved harmonic balancer

409 CID/500 Horsepower Circle Track Crate Engine
• 506 lbs.-ft. of torque, 6,500 RPM redline
• 4.035" cylinder bore and 4.00" stroke
• 11.5:1 compression ratio
• GM Gen+ remanufactured cast iron block with four-bolt mains and one-piece rear main seal
• Flat plane 4340 forged steel crankshaft and forged pistons
• High-flow 100 psi oil pump
• Six-quart rear-sump oil pan with kickout
• Hydraulic roller camshaft
• Quicksilver aluminum cylinder heads with 2.02"/1.60" Black-X intake/exhaust valves and heavy-duty valve springs
• 1.6 full roller adjustable shaft mount rocker arms
• Edelbrock single plane high-rise carbureted intake manifold
• Dual breather valve covers and timing cover
• 6" SFI-approved harmonic balancer
 
Regular oil changes will prolong the life of your Quicksilver Circle Track Crate Engine so it will consistently deliver the power needed to get you to the front of the pack. Quicksilver Synthetic Blend Performance Racing Oil takes the guesswork out of which oil to use. It’s formulated to increase horsepower in engines operating at maximum output and high temperatures for extended periods of time.

Features include:
• Eliminates thermal breakdown under extreme RPM, temperatures, and loads
• Increased levels of ZDDP make it compatible with roller and flat tappet lifters 
• Meets and exceeds current API specifications
• 25W40 oil will not damage emissions systems and is safe to use on engines with or without catalytic converters
• 25W50 oil protects against varnish and sludge formation

SEE QUICKSILVER CIRCLE TRACK ENGINES AND SYNTHETIC BLEND PERFORMANCE RACING OIL