1" Carburetor Gasket Open Phenolic Carburetor Spacer 4BBL Fits Holley Chevy Ford 350 SBC BBC BB SB

【Fitment】Fits for any square hole carburetor, Compatible with H-OLLEY, CHEVY, Ford and M-opar. 【Excellent Quality】Phenolic material is a type of plastic resin which has excellent insulating properties,Made of phenolic resin and engineered to reduce heat transfer from the intake manifold to the carburetor that provides a denser air/fuel mixutre for increased power and efficiency. 【Open Design Spacers】The open design spacers increase plenum volume for improved high rpm power, while 4-hole designs increase mixture velocity for improved low-speed and mid-range torque. 【Package includes】Package includes bolts, washers, nuts and 2 washers. 【Aftermarket Service】YUCHENSHLP brand is a professional auto parts seller,backed by team of engineers and quality control experts in the United States. If you have any questions, please feel free to let us help you solve them. Thanks!

Manufacturer: ‎YUCHENSHLP Brand: ‎YUCHENSHLP Item Weight: ‎1.08 pounds Package Dimensions: ‎6.77 x 6.73 x 1.65 inches Manufacturer Part Number: ‎SX-58049-B ASIN: B0CYT314PN Customer Reviews: 3.8 out of 5 stars Date First Available: July 20, 2023