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Heads

Type 1 (Bug)

Single Port HeadSingle Port Head (2)Dual Port Head (2)Dual Port Head
Early 40 HP (2)Early 40 HP36 HP36 HP (2)
Part # Description
CH111-101-371 36 HP
CH113-371A/F 40 HP, 61-64, low deck, round boss, reman
CH113-373 40 HP, 1965, high deck, square boss, reman
CH311-373A 15/1600cc, 66-70, single port, carbureted, reman
CH113-375A 1600cc, 71-74, dual port, carbureted, reman
CH113-375A/CA 1600cc, 1974, dual port, carbureted, right side, CA only, dual heat riser, reman
CH113-375A/CAL 1600cc, 1974, dual port, carbureted, left side, CA only, dual heat riser, reman
CH043-375H 1600cc, 75-79, dual port, left side, fuel injected, w/ sensor, reman
CH 043-375R 1600cc, 75-79, dual port, right side, fuel injected, no sensor


Late Type II/IV/914 (Bus, Van)

Type 4 High PerformanceType 4 High Performance (2)
Part # Description
CH021-371J/ Q 1972, 1700cc, both sides, carb, no smog, reman
CH021-371J/Q w/ sq 1973, 1700 cc, both sides, carb, 2 smog holes, reman
CH021-371S w/ 2sq 1974, 1800 cc, right side, carb, 2 smog holes, reman
CH021-371S w/ 1 sq 1974, 1800 cc, left side, carb, 1 smog hole, reman
CH021-371S w/s 1974 CA 1975, 1800 cc, Left side, f.i., w/ sensor, reman
CH021-371S w/o s 1974 CA 1975, 1800 cc, right side, f.i., no sensor, reman
CH022-372G/S 76-78, 2000 cc, left side, f.i., w/ sensor, round exhaust ports, reman
CH022-372G w/o s 76-78, 2000 cc, right side, f.i., no sensor, round exhaust ports, reman
CH071-371A w/s 79-83, 2000 cc, left side, f.i., w/ sensor, square exhaust ports, reman
CH071-371A w/o s 79-83, 2000 cc, right side, f.i., no sensor, square exhaust ports, reman


Type 3 (Dual/ Single Port)

Single Port HeadSingle Port Head (2)Dual Port Head (2)Dual Port Head
Part # Description
CH311-373A 15/1600 cc, 62-66, Singleport, carbureted, reman
CH113-375A 1600 cc, 1967, Dual Port, carbureted, reman
CH311-375A/C 1600 cc, 68-72, Dual Port, left side, fuel injected, w/ sensor, reman
CH311-375 1600cc, 68-72, Dual Port, right side, fuel injected, no sensor
CH311-375G 1600cc, 72-73, Dual port, left side, fuel injected, w/ sensor, crank case vent pipe
CH311-376G 1600cc, 72-73, Dual port, right side, fuel injected, no sensor, crack case vent pipe


Type II & IV Big Valve Heads

Type 4 High PerformanceType 4 High Performance (2)
Part # Description
CH021-371R (44) Intake, (36) Exhaust, STD Plug Location
CH021-371 R/P (44) Intake, (36) Exhaust, relocate plug hole
CH021-371 S/R/P (48) Intake, (38) Exhaust, relocate plug hole
CH021-371 S/R/P (48) Intake, (38) Exhaust, relocate plug/ port & polish


Porsche 914 1970-1976

Type 4 High PerformanceType 4 High Performance (2)
Part # Description
CH021-371J/Q w/ s 70-72, 1700 cc, left side, f.i., w/ sensor, reman
CH021-371J/Q w/o s 70-72, 1700 cc, right side, f.i., no sensor, reman
CH021-371J/ Q w/ s +TUBE 70-72, 1700 cc, left side, f.i., w/ sensor & breather pipes, reman
CH021-371J/Q w/o s +TUBE 70-72, 1700 cc, right side, f.i., no sensor & breather pipes, reman
CH021-371F w/ s 73-74, 1800 cc, left side, w/ sensor
CH021-371F w/o s 73-74, 1800 cc, right side, no sensor
CH021-371F w/s & tube 76-78, 2000 73-74, 1800 cc, left side, w/ sensor & breather pipes
CH021-371F w/o s +TUBE 73-74, 1800 cc, right side, no sensor, w/ breather pipes
CH039-371A w/ s + sq 74-76, 2000 cc, left side, w/ sensor, w/ smog holes
CH039-371A w/o s + sq 74-76, 2000 cc, right side, no sensor, w/ smog holes
CH039-371A w/s +tube 74-76, 2000 cc, left side, w/ sensor & breather pipes
CH039-371A w/o s + tube 74-76, 2000 cc, right side, no sensor, w/ breather pipes


Rabbit Type Heads

Rabbit Head
Part # Description
CH 049-373/X 74-76, 1500 cc, Carbureted, no smog
CH 056-373C/Xw/ s 75-76, 1500 cc, Carbureted, w/ smog holes
CH 049-373B/X 77-84, 16/1700 cc, Fuel injected
CH 026-373F/X 1983, 1800 cc, Non-hydraulic, 40 mm intake, 24 mm injector bushing
CH 026-373H/X 84-87, 1800 cc, Non-hydraulic, 40 mm intake, 22 mm injector bushing
CH 026-373G/X 84-87, 1800 cc & GTI, Hydraulic, 38 mm intake, 22 mm injector bushing
CH 026-373GL/X 76-78, 2000 85-89, 1800 cc, Hydraulic, 40 mm intake, 22 mm injector bushing
CH 026-373AA/X 86-91, 1800 cc, Hydraulic, 38 mm intake, Digifont
CH 026-373AA2/X 84-87, 1800 cc & GTI, Hydraulic, 40 mm intake, 22 mm injector bushing, CIS
CH 068-373/X 76-80, 1500 cc, Diesel, 11.5 mm head bolts, solid lifters.
CH 068-373B/X 1981, 1600 cc, Diesel, 11.5 mm head bolts, solid lifters
CH 068-373F/X 82-84, 1600 cc, Diesel, 12.5 mm head bolts, solid lifters. Same as the ‘E’ head.
CH 068-373D/X 1985 up, 1600 cc, Diesel, 12.5 mm head bolts, 2 oil return holes, hydraulic lifters
CH 068-373T/X 1985 up, 1600 cc, Turbo Diesel, 12.5 mm head bolts, 2 oil return holes, hydraulic lifters. Same as ‘D’ head.
CH 068-373Q/X 1985 up, 1600 cc, Turbo Diesel, 12.5 mm head bolts, 2 oil return holes, hydraulic lifters. Same as ‘D’ head


16 Valve Cylinder Heads

Part # Description
CH 027-373/X 1.8 Liter Rebuilt
CH 051-373/X 2.0 Liter Rebuilt


Waterboxer Cylinder Heads

025 Water Cooled Head025 Water Cooled Head (2)
Part # Description
CH 027-373/X 83-85, 1900 cc, Waterboxer, both sides, f.i.
CH 025-375C/ 86-90, 2100 cc, Waterboxer, both sides, f.i.
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