Beyea SB Chevy Tri-y DLM 9-13 Degree Dart Intake Manifold Bolt Kit Components bolt together to select

Components bolt together to select the desired spring top plate and sleeve separately to build custom size cups

3200 rpm governor spring extends engine rev range by 700 rpm

Bearing measures 3

Does not fit TH350C lockup (use part# 30235 for TH350C)

0-1000 psi

Beyea SB Chevy Tri-y DLM 9-13 Degree Dart Intake Manifold Bolt Kit Components bolt together to selectProduct Description: Headers Dirt Late Model Tri Y 1. 75 to 2 in Primary 3. 5 in Collector Steel Black Paint 9 13 Degree Head Small Block Chevy With more than 15 years in the header fabrication business, Beyea Custom Headers knows how to customize your power curve to create a broader range of power. Each Beyea Custom Headers has been tried and tested. Beyea Custom Headers are used by many of the top Modified and Late Model race teams and engine