Proflow Water Neck, Thermostat Housing, Spacer, Suit SB & BB Chevrolet, 2x 3/8'' Step fittings fuel/Air/water 100" Raised Combustion Chamber 65cc

100" Raised Combustion Chamber 65cc or 72cc Valve Cover Bolt Pattern Perimeter Bolt Valve Angle 23° Valve Spring Pocket Diameter 1

Suits GM TH350 & TH400 gearboxes

Part Number : PFE109-05HP

Bare Small Block Ford Windsor 289-351 203cc Aluminium Cylinder Heads with 58cc Chamber (Pair)

Do you need require precision control over your ignition system

Proflow Water Neck, Thermostat Housing, Spacer, Suit SB & BB Chevrolet, 2x 3/8'' Step fittings fuel/Air/water 100" Raised Combustion Chamber 65ccPart Number : PFETH CSP Our water neck spacer for the SB & BB Chev engine adds 2x 3 8" NPT auxillary ports which can be used to add coolant lines or sensors, including a water feed for your turbocahrger or supplying extra coolant to the rear of the cylinder heads. Includes high temp Viton o ring Height = 27mm