FITTING IS AS FOLLOWS: WILL WORK WITH Engines:

• ALL 4.3L 95-98
  
• ALL 4.3L 99-UP in S-10, S-10 Blazer, Jimmy, Sonoma, Trailblazer (NOT 4.2L), Envoy, Bravada, Safari, Astro
• ALL 4.3L 99-UP With NO Bolt Hole on top (12 O' Clock Position) on transmission case (NOT ALL 4.3L!)
• 5.0L 305 CI (95-99)
• 5.7L 350 CI (95-00) Will Not Work in LS1 for 98-UP Camaro / Firebird / GTO