Crower 86753SS-1 Features:

Chromoly Super 7-degree retainer for 1.300 in. OD valve springs Precision-machined steel retainer with 1.150 in. outer dimension Inner step diameters: 0.790 in. and 0.650 in.; 0.095 dimension Lightweight 14.3 g profile helps reduce valvetrain mass for higher RPM stability

Chromoly Super Seven Reta 7-Degree Steel Retainer For 1.300 Features:

• 7-degree taper for secure valve lock engagement and race-ready retention under high spring pressure applications
• Chromoly steel construction for high-strength performance and reduced valvetrain deflection at high rpm operation
• Fits 1.300 in. OD valve springs with 1.150 in. outer dimension for precise spring compatibility and fitment
• 14.3 g lightweight profile helps reduce valvetrain mass for improved high-rpm stability and throttle response
• Precision-machined 0.790 in. and 0.650 in. steps with 0.095 in. dimension and +0.000 step height accuracy