Pay in 4 interest-free payments of $25.09 Learn more
Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Speedmaster valve locks are designed for stock or performance engines using 7 degree valve locks
Fits big block Chevy rectangular port cylinder heads on standard deck blocks
superior RFI suppression
This Speedmaster manual transmission is built with all brand new components and case
oil temp will run approximately 5-10 degrees cooler
Chevy BBC 454 1.7 Ratio 7/16" Stainless Steel Roller Rocker Arms Set Speedmaster valve locks are designedSpeedmaster Stainless steel rollers are manufactured from heat treated stainless steel and alloy steel tip rollers. Speedmaster roller rockers are available in various ratios, so you are good to go. They feature greater strength and durability, capable of withstanding valve spring load up to 600lbs.
