1978-19792+2 · L4.2474cc
Notes: 1978: 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 Eng.; 8 pc.; · 1979: w/ 9 Engine VIN; 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 E
1978-19792+2 Sport · L4.2474cc
Notes: 1978: 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 Eng.; 8 pc.; · 1979: w/ 9 Engine VIN; 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 E
1978-19792+2 Spyder · L4.2474cc
Notes: 1978: 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 Eng.; 8 pc.; · 1979: w/ 9 Engine VIN; 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 E
1978-1979Base · L4.2474cc
Notes: 1978: 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 Eng.; 8 pc.; · 1979: w/ 9 Engine VIN; 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 E
1978-1979S · L4.2474cc
Notes: 1978: 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 Eng.; 8 pc.; · 1979: w/ 9 Engine VIN; 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 E
1978Sport · L4.2474cc
Notes: 7 deg. Lock Angle; Stock Valve Stem Size; Valve Spring Dia. 1.290 in.; 0.640 in. x 1.030 in.; Non LS1 Eng.; 8 pc.;