RTS OE / Rostra Precision Controls, Inc. is the Original Equipment manufacturer of vacuum modulators. Rostra Modulators are the highest quality in the industry. Complete and universal, problem solving designs, function perfectly the first time, every time.

Green stripe, with one single hose connection for average settings that fit the widest variety of applications of the C-4 and C-5. This version seems to be the most popular and widely used of them all. Usually found on 72-83

  • Fully adjustable for the right shift & feel
  • adj 7.5-10 pounds
  • Suits later C4, early C4 were screw in

 

More From This Category

Motive Gear Axle Shaft, 28SPL, 19.69 in. Length, For CADILLAC ESCALADE 2002–2006, Each

Motive Gear Axle Shaft, 28SPL, 19.69 in. Length, For CADILLAC ESCALADE 2002–2006, Each

$182.93

Sonnax Friction & Steel Plate Service Kit, Chrysler, 68RFE, Each

Sonnax Friction & Steel Plate Service Kit, Chrysler, 68RFE, Each

$193.70

MANLEY Connecting Rod Pin Bushing, Bronze, .973 in. OD, .929 in. ID, 1.050 in. Length, Each

MANLEY Connecting Rod Pin Bushing, Bronze, .973 in. OD, .929 in. ID, 1.050 in. Length, Each

$22.80

Motive Gear Differential Master Bearing Kit, Timken , Suit Early 9 Inch Ford, 2.891 x 1.625" LM501310 & LM501349, Std Pinion Support

Motive Gear Differential Master Bearing Kit, Timken , Suit Early 9 Inch Ford, 2.891 x 1.625" LM501310 & LM501349, Std Pinion Support

$209.32